Finding the Fourth Proportional to 17,057.73, 23,539.83 and 9,401.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,057.73 : 23,539.83 = 9,401.28 : x
2. Step 2: Convert to fraction form
   17,057.73/23,539.83 = 9,401.28/x
3. Step 3: Cross multiply
   17,057.73x = 23,539.83 × 9,401.28
4. Step 4: Simplify right side
   17,057.73x = 221,304,612.37
5. Step 5: Solve for x
   x = 221,304,612.37/17,057.73
6. Step 6: Final answer
   x = 12,973.86