Need to host dinner in 108 hours, table stained but no finish. What should I do?

As title states, I am hosting dinner in basically four days from now. Didn't realize this would be occurring when I started my dining table refinishing project, but here I am.

I applied stain today and everything looks great. I was going to start my poly process tomorrow using General Finishes Arm R Seal and could get four coats with 24 hours to spare, but would that be a bad idea?

Am I better off using a plastic table cloth on the stained table to prevent any water damage as opposed to going ahead with the poly process.

Or should I just shove a bunch of small tables together and leave the dining table off to the side.

Also for reference, table was pretty beat when I received I sanded it the best I could to get out deep scratches and have a spot or two where the veneer got thin. All to say it's not a family heirloom or my master piece.

Thanks for your opinion!