Finding the Fourth Proportional to 88,116.50, 132,131.34 and 31,948.18

Step by Step Solution

1. Step 1: Write the proportion equation
   88,116.50 : 132,131.34 = 31,948.18 : x
2. Step 2: Convert to fraction form
   88,116.50/132,131.34 = 31,948.18/x
3. Step 3: Cross multiply
   88,116.50x = 132,131.34 × 31,948.18
4. Step 4: Simplify right side
   88,116.50x = 4,221,355,833.96
5. Step 5: Solve for x
   x = 4,221,355,833.96/88,116.50
6. Step 6: Final answer
   x = 47,906.53