Finding the Fourth Proportional to 88,085.59, 132,128.01 and 31,912.53

Step by Step Solution

1. Step 1: Write the proportion equation
   88,085.59 : 132,128.01 = 31,912.53 : x
2. Step 2: Convert to fraction form
   88,085.59/132,128.01 = 31,912.53/x
3. Step 3: Cross multiply
   88,085.59x = 132,128.01 × 31,912.53
4. Step 4: Simplify right side
   88,085.59x = 4,216,538,587.49
5. Step 5: Solve for x
   x = 4,216,538,587.49/88,085.59
6. Step 6: Final answer
   x = 47,868.65