Finding the Fourth Proportional to 88,807.38, 133,276.81 and 42,060.39

Step by Step Solution

1. Step 1: Write the proportion equation
   88,807.38 : 133,276.81 = 42,060.39 : x
2. Step 2: Convert to fraction form
   88,807.38/133,276.81 = 42,060.39/x
3. Step 3: Cross multiply
   88,807.38x = 133,276.81 × 42,060.39
4. Step 4: Simplify right side
   88,807.38x = 5,605,674,606.56
5. Step 5: Solve for x
   x = 5,605,674,606.56/88,807.38
6. Step 6: Final answer
   x = 63,121.72