Finding the Fourth Proportional to 16,615.55, 22,929.37 and 9,061.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,615.55 : 22,929.37 = 9,061.74 : x
2. Step 2: Convert to fraction form
   16,615.55/22,929.37 = 9,061.74/x
3. Step 3: Cross multiply
   16,615.55x = 22,929.37 × 9,061.74
4. Step 4: Simplify right side
   16,615.55x = 207,779,966.65
5. Step 5: Solve for x
   x = 207,779,966.65/16,615.55
6. Step 6: Final answer
   x = 12,505.15