In the figure, a horizontal scaffold, of length 2.86 m and uniform mass 52.6 kg, is suspended from a building by two cables. The scaffold has dozens of paint cans stacked on it at various points. The total mass of the paint cans in 74.8 kg. The tension in the cable at the right is 798 N. How far horizontally from that cable is the center of mass of the system of paint cans?