Finding the Fourth Proportional to 17,649.10, 24,356.17 and 9,690.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,649.10 : 24,356.17 = 9,690.86 : x
2. Step 2: Convert to fraction form
   17,649.10/24,356.17 = 9,690.86/x
3. Step 3: Cross multiply
   17,649.10x = 24,356.17 × 9,690.86
4. Step 4: Simplify right side
   17,649.10x = 236,032,233.61
5. Step 5: Solve for x
   x = 236,032,233.61/17,649.10
6. Step 6: Final answer
   x = 13,373.61