Finding the Fourth Proportional to 9,080.64, 12,502.56 and 8,250.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,080.64 : 12,502.56 = 8,250.16 : x
2. Step 2: Convert to fraction form
   9,080.64/12,502.56 = 8,250.16/x
3. Step 3: Cross multiply
   9,080.64x = 12,502.56 × 8,250.16
4. Step 4: Simplify right side
   9,080.64x = 103,148,120.41
5. Step 5: Solve for x
   x = 103,148,120.41/9,080.64
6. Step 6: Final answer
   x = 11,359.12