Finding the Fourth Proportional to 88,808.38, 133,278.31 and 42,061.39

Step by Step Solution

1. Step 1: Write the proportion equation
   88,808.38 : 133,278.31 = 42,061.39 : x
2. Step 2: Convert to fraction form
   88,808.38/133,278.31 = 42,061.39/x
3. Step 3: Cross multiply
   88,808.38x = 133,278.31 × 42,061.39
4. Step 4: Simplify right side
   88,808.38x = 5,605,870,975.45
5. Step 5: Solve for x
   x = 5,605,870,975.45/88,808.38
6. Step 6: Final answer
   x = 63,123.22