Maya, ¿How do I fill this hole?

[iansitop]

I have tried with:

*mesh > fill hole
*quad draw
*extruding

and every option leads to a flat square face instead of a round one

[coppolinop]

Un der mesh tools select “Append to Polygon”. Go from the top edge to the bottom each side of the hole or bottom to top, just not side to side in this case as that will create a single face and you need two

Regards