Finding the Fourth Proportional to 17,685.51, 24,406.01 and 9,728.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,685.51 : 24,406.01 = 9,728.27 : x
2. Step 2: Convert to fraction form
   17,685.51/24,406.01 = 9,728.27/x
3. Step 3: Cross multiply
   17,685.51x = 24,406.01 × 9,728.27
4. Step 4: Simplify right side
   17,685.51x = 237,428,084.23
5. Step 5: Solve for x
   x = 237,428,084.23/17,685.51
6. Step 6: Final answer
   x = 13,425.01