Finding the Fourth Proportional to 17,389.62, 23,997.24 and 9,732.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,389.62 : 23,997.24 = 9,732.78 : x
2. Step 2: Convert to fraction form
   17,389.62/23,997.24 = 9,732.78/x
3. Step 3: Cross multiply
   17,389.62x = 23,997.24 × 9,732.78
4. Step 4: Simplify right side
   17,389.62x = 233,559,857.53
5. Step 5: Solve for x
   x = 233,559,857.53/17,389.62
6. Step 6: Final answer
   x = 13,430.99