Finding the Fourth Proportional to 16,397.55, 24,609.43 and 8,502.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,397.55 : 24,609.43 = 8,502.31 : x
2. Step 2: Convert to fraction form
   16,397.55/24,609.43 = 8,502.31/x
3. Step 3: Cross multiply
   16,397.55x = 24,609.43 × 8,502.31
4. Step 4: Simplify right side
   16,397.55x = 209,237,002.78
5. Step 5: Solve for x
   x = 209,237,002.78/16,397.55
6. Step 6: Final answer
   x = 12,760.26