Finding the Fourth Proportional to 108,761.52, 150,158.10 and 72,513.96

Step by Step Solution

1. Step 1: Write the proportion equation
   108,761.52 : 150,158.10 = 72,513.96 : x
2. Step 2: Convert to fraction form
   108,761.52/150,158.10 = 72,513.96/x
3. Step 3: Cross multiply
   108,761.52x = 150,158.10 × 72,513.96
4. Step 4: Simplify right side
   108,761.52x = 10,888,558,457.08
5. Step 5: Solve for x
   x = 10,888,558,457.08/108,761.52
6. Step 6: Final answer
   x = 100,114.07