Finding the Fourth Proportional to 17,649.24, 24,356.59 and 9,691.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,649.24 : 24,356.59 = 9,691.40 : x
2. Step 2: Convert to fraction form
   17,649.24/24,356.59 = 9,691.40/x
3. Step 3: Cross multiply
   17,649.24x = 24,356.59 × 9,691.40
4. Step 4: Simplify right side
   17,649.24x = 236,049,456.33
5. Step 5: Solve for x
   x = 236,049,456.33/17,649.24
6. Step 6: Final answer
   x = 13,374.48