Finding the Fourth Proportional to 17,685.93, 24,405.68 and 9,726.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,685.93 : 24,405.68 = 9,726.62 : x
2. Step 2: Convert to fraction form
   17,685.93/24,405.68 = 9,726.62/x
3. Step 3: Cross multiply
   17,685.93x = 24,405.68 × 9,726.62
4. Step 4: Simplify right side
   17,685.93x = 237,384,726.57
5. Step 5: Solve for x
   x = 237,384,726.57/17,685.93
6. Step 6: Final answer
   x = 13,422.24