Finding the Fourth Proportional to 88,047.25, 131,834.24 and 72,440.62

Step by Step Solution

1. Step 1: Write the proportion equation
   88,047.25 : 131,834.24 = 72,440.62 : x
2. Step 2: Convert to fraction form
   88,047.25/131,834.24 = 72,440.62/x
3. Step 3: Cross multiply
   88,047.25x = 131,834.24 × 72,440.62
4. Step 4: Simplify right side
   88,047.25x = 9,550,153,528.23
5. Step 5: Solve for x
   x = 9,550,153,528.23/88,047.25
6. Step 6: Final answer
   x = 108,466.23