Finding the Fourth Proportional to 17,231.72, 25,847.71 and 9,436.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,231.72 : 25,847.71 = 9,436.28 : x
2. Step 2: Convert to fraction form
   17,231.72/25,847.71 = 9,436.28/x
3. Step 3: Cross multiply
   17,231.72x = 25,847.71 × 9,436.28
4. Step 4: Simplify right side
   17,231.72x = 243,906,187.89
5. Step 5: Solve for x
   x = 243,906,187.89/17,231.72
6. Step 6: Final answer
   x = 14,154.49