Finding the Fourth Proportional to 156,350.16, 234,332.56 and 88,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   156,350.16 : 234,332.56 = 88,938.72 : x
2. Step 2: Convert to fraction form
   156,350.16/234,332.56 = 88,938.72/x
3. Step 3: Cross multiply
   156,350.16x = 234,332.56 × 88,938.72
4. Step 4: Simplify right side
   156,350.16x = 20,841,237,940.72
5. Step 5: Solve for x
   x = 20,841,237,940.72/156,350.16
6. Step 6: Final answer
   x = 133,298.48