Finding the Fourth Proportional to 17,685.18, 24,405.12 and 9,727.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,685.18 : 24,405.12 = 9,727.32 : x
2. Step 2: Convert to fraction form
   17,685.18/24,405.12 = 9,727.32/x
3. Step 3: Cross multiply
   17,685.18x = 24,405.12 × 9,727.32
4. Step 4: Simplify right side
   17,685.18x = 237,396,411.88
5. Step 5: Solve for x
   x = 237,396,411.88/17,685.18
6. Step 6: Final answer
   x = 13,423.47