Finding the Fourth Proportional to 88,688.10, 133,032.15 and 42,032.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,688.10 : 133,032.15 = 42,032.10 : x
2. Step 2: Convert to fraction form
   88,688.10/133,032.15 = 42,032.10/x
3. Step 3: Cross multiply
   88,688.10x = 133,032.15 × 42,032.10
4. Step 4: Simplify right side
   88,688.10x = 5,591,620,632.02
5. Step 5: Solve for x
   x = 5,591,620,632.02/88,688.10
6. Step 6: Final answer
   x = 63,048.15