Finding the Fourth Proportional to 17,671.91, 24,387.54 and 9,714.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,671.91 : 24,387.54 = 9,714.47 : x
2. Step 2: Convert to fraction form
   17,671.91/24,387.54 = 9,714.47/x
3. Step 3: Cross multiply
   17,671.91x = 24,387.54 × 9,714.47
4. Step 4: Simplify right side
   17,671.91x = 236,912,025.70
5. Step 5: Solve for x
   x = 236,912,025.70/17,671.91
6. Step 6: Final answer
   x = 13,406.14