Finding the Fourth Proportional to 17,369, 23,969.24 and 9,411.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,369 : 23,969.24 = 9,411.28 : x
2. Step 2: Convert to fraction form
   17,369/23,969.24 = 9,411.28/x
3. Step 3: Cross multiply
   17,369x = 23,969.24 × 9,411.28
4. Step 4: Simplify right side
   17,369x = 225,581,229.03
5. Step 5: Solve for x
   x = 225,581,229.03/17,369
6. Step 6: Final answer
   x = 12,987.58