Finding the Fourth Proportional to 88,156.50, 131,942.34 and 80,277.24

Step by Step Solution

1. Step 1: Write the proportion equation
   88,156.50 : 131,942.34 = 80,277.24 : x
2. Step 2: Convert to fraction form
   88,156.50/131,942.34 = 80,277.24/x
3. Step 3: Cross multiply
   88,156.50x = 131,942.34 × 80,277.24
4. Step 4: Simplify right side
   88,156.50x = 10,591,966,894.34
5. Step 5: Solve for x
   x = 10,591,966,894.34/88,156.50
6. Step 6: Final answer
   x = 120,149.59