Finding the Fourth Proportional to 88,155.50, 131,940.84 and 80,276.24

Step by Step Solution

1. Step 1: Write the proportion equation
   88,155.50 : 131,940.84 = 80,276.24 : x
2. Step 2: Convert to fraction form
   88,155.50/131,940.84 = 80,276.24/x
3. Step 3: Cross multiply
   88,155.50x = 131,940.84 × 80,276.24
4. Step 4: Simplify right side
   88,155.50x = 10,591,714,537.64
5. Step 5: Solve for x
   x = 10,591,714,537.64/88,155.50
6. Step 6: Final answer
   x = 120,148.09