Finding the Fourth Proportional to 17,685.83, 24,405.35 and 10,616.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,685.83 : 24,405.35 = 10,616.15 : x
2. Step 2: Convert to fraction form
   17,685.83/24,405.35 = 10,616.15/x
3. Step 3: Cross multiply
   17,685.83x = 24,405.35 × 10,616.15
4. Step 4: Simplify right side
   17,685.83x = 259,090,681.30
5. Step 5: Solve for x
   x = 259,090,681.30/17,685.83
6. Step 6: Final answer
   x = 14,649.62