Finding the Fourth Proportional to 517,493.94, 776,196.44 and 315,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   517,493.94 : 776,196.44 = 315,037.50 : x
2. Step 2: Convert to fraction form
   517,493.94/776,196.44 = 315,037.50/x
3. Step 3: Cross multiply
   517,493.94x = 776,196.44 × 315,037.50
4. Step 4: Simplify right side
   517,493.94x = 244,530,980,510.33
5. Step 5: Solve for x
   x = 244,530,980,510.33/517,493.94
6. Step 6: Final answer
   x = 472,529.17