Finding the Fourth Proportional to 17,672.72, 24,387.86 and 9,713.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672.72 : 24,387.86 = 9,713.86 : x
2. Step 2: Convert to fraction form
   17,672.72/24,387.86 = 9,713.86/x
3. Step 3: Cross multiply
   17,672.72x = 24,387.86 × 9,713.86
4. Step 4: Simplify right side
   17,672.72x = 236,900,257.74
5. Step 5: Solve for x
   x = 236,900,257.74/17,672.72
6. Step 6: Final answer
   x = 13,404.86