Finding the Fourth Proportional to 9,882.18, 14,810.52 and 8,610.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,882.18 : 14,810.52 = 8,610.57 : x
2. Step 2: Convert to fraction form
   9,882.18/14,810.52 = 8,610.57/x
3. Step 3: Cross multiply
   9,882.18x = 14,810.52 × 8,610.57
4. Step 4: Simplify right side
   9,882.18x = 127,527,019.20
5. Step 5: Solve for x
   x = 127,527,019.20/9,882.18
6. Step 6: Final answer
   x = 12,904.75