Finding the Fourth Proportional to 17,685.92, 24,406.52 and 9,728.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,685.92 : 24,406.52 = 9,728.24 : x
2. Step 2: Convert to fraction form
   17,685.92/24,406.52 = 9,728.24/x
3. Step 3: Cross multiply
   17,685.92x = 24,406.52 × 9,728.24
4. Step 4: Simplify right side
   17,685.92x = 237,432,484.12
5. Step 5: Solve for x
   x = 237,432,484.12/17,685.92
6. Step 6: Final answer
   x = 13,424.94