Finding the Fourth Proportional to 9,061.52, 12,502.90 and 8,762.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.52 : 12,502.90 = 8,762.86 : x
2. Step 2: Convert to fraction form
   9,061.52/12,502.90 = 8,762.86/x
3. Step 3: Cross multiply
   9,061.52x = 12,502.90 × 8,762.86
4. Step 4: Simplify right side
   9,061.52x = 109,561,162.29
5. Step 5: Solve for x
   x = 109,561,162.29/9,061.52
6. Step 6: Final answer
   x = 12,090.82