Finding the Fourth Proportional to 17,389.29, 23,997.42 and 9,431.58

Step by Step Solution

1. Step 1: Write the proportion equation
   17,389.29 : 23,997.42 = 9,431.58 : x
2. Step 2: Convert to fraction form
   17,389.29/23,997.42 = 9,431.58/x
3. Step 3: Cross multiply
   17,389.29x = 23,997.42 × 9,431.58
4. Step 4: Simplify right side
   17,389.29x = 226,333,586.52
5. Step 5: Solve for x
   x = 226,333,586.52/17,389.29
6. Step 6: Final answer
   x = 13,015.69