Hey guys!

I have a part here that has a thick, round surface that instead needs to taper to a thin, rounded edge.

It is important that the XY plane maintains the cross section drawn in sketch 1. The XZ cross section also needs to remain rounded, cannot be stretched in the X axis, but can be stretched in the Z direction as needed.

I am completely new to SolidWorks, anyone has an idea how to do this?