Hi,
G41M-VS2 has a PCI express x16 slot (https://www.asrock.com/mb/Intel/G41M-VS2/index.asp)
and
GT730 uses a PCI express 2.0 x16 slot (https://www.geforce.com/hardware/desktop-gpus/geforce-gt-730/specifications)
So yes, that graphics card will fit in that motherboard.