Finding the Fourth Proportional to 17,672.10, 24,387.51 and 9,714.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672.10 : 24,387.51 = 9,714.79 : x
2. Step 2: Convert to fraction form
   17,672.10/24,387.51 = 9,714.79/x
3. Step 3: Cross multiply
   17,672.10x = 24,387.51 × 9,714.79
4. Step 4: Simplify right side
   17,672.10x = 236,919,538.27
5. Step 5: Solve for x
   x = 236,919,538.27/17,672.10
6. Step 6: Final answer
   x = 13,406.42