Finding the Fourth Proportional to 17,686.01, 24,406.18 and 9,728.23

Step by Step Solution

1. Step 1: Write the proportion equation
   17,686.01 : 24,406.18 = 9,728.23 : x
2. Step 2: Convert to fraction form
   17,686.01/24,406.18 = 9,728.23/x
3. Step 3: Cross multiply
   17,686.01x = 24,406.18 × 9,728.23
4. Step 4: Simplify right side
   17,686.01x = 237,428,993.48
5. Step 5: Solve for x
   x = 237,428,993.48/17,686.01
6. Step 6: Final answer
   x = 13,424.68