Finding the Fourth Proportional to 17,670.42, 24,385.65 and 9,712.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,670.42 : 24,385.65 = 9,712.86 : x
2. Step 2: Convert to fraction form
   17,670.42/24,385.65 = 9,712.86/x
3. Step 3: Cross multiply
   17,670.42x = 24,385.65 × 9,712.86
4. Step 4: Simplify right side
   17,670.42x = 236,854,404.46
5. Step 5: Solve for x
   x = 236,854,404.46/17,670.42
6. Step 6: Final answer
   x = 13,404.01