Finding the Fourth Proportional to 88,082.78, 132,123.79 and 31,909.71

Step by Step Solution

1. Step 1: Write the proportion equation
   88,082.78 : 132,123.79 = 31,909.71 : x
2. Step 2: Convert to fraction form
   88,082.78/132,123.79 = 31,909.71/x
3. Step 3: Cross multiply
   88,082.78x = 132,123.79 × 31,909.71
4. Step 4: Simplify right side
   88,082.78x = 4,216,032,358.35
5. Step 5: Solve for x
   x = 4,216,032,358.35/88,082.78
6. Step 6: Final answer
   x = 47,864.44