Finding the Fourth Proportional to 17,649.75, 24,357.29 and 9,691.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,649.75 : 24,357.29 = 9,691.89 : x
2. Step 2: Convert to fraction form
   17,649.75/24,357.29 = 9,691.89/x
3. Step 3: Cross multiply
   17,649.75x = 24,357.29 × 9,691.89
4. Step 4: Simplify right side
   17,649.75x = 236,068,126.92
5. Step 5: Solve for x
   x = 236,068,126.92/17,649.75
6. Step 6: Final answer
   x = 13,375.15