Finding the Fourth Proportional to 17,686.83, 24,406.72 and 10,617.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,686.83 : 24,406.72 = 10,617.15 : x
2. Step 2: Convert to fraction form
   17,686.83/24,406.72 = 10,617.15/x
3. Step 3: Cross multiply
   17,686.83x = 24,406.72 × 10,617.15
4. Step 4: Simplify right side
   17,686.83x = 259,129,807.25
5. Step 5: Solve for x
   x = 259,129,807.25/17,686.83
6. Step 6: Final answer
   x = 14,651.00