Finding the Fourth Proportional to 17,672.18, 24,389.17 and 9,715.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672.18 : 24,389.17 = 9,715.96 : x
2. Step 2: Convert to fraction form
   17,672.18/24,389.17 = 9,715.96/x
3. Step 3: Cross multiply
   17,672.18x = 24,389.17 × 9,715.96
4. Step 4: Simplify right side
   17,672.18x = 236,964,114.89
5. Step 5: Solve for x
   x = 236,964,114.89/17,672.18
6. Step 6: Final answer
   x = 13,408.88