Finding the Fourth Proportional to 88,081.56, 132,174.72 and 31,916.16

Step by Step Solution

1. Step 1: Write the proportion equation
   88,081.56 : 132,174.72 = 31,916.16 : x
2. Step 2: Convert to fraction form
   88,081.56/132,174.72 = 31,916.16/x
3. Step 3: Cross multiply
   88,081.56x = 132,174.72 × 31,916.16
4. Step 4: Simplify right side
   88,081.56x = 4,218,509,511.48
5. Step 5: Solve for x
   x = 4,218,509,511.48/88,081.56
6. Step 6: Final answer
   x = 47,893.22