Finding the Fourth Proportional to 17,127.24, 25,687.62 and 5,440.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,127.24 : 25,687.62 = 5,440.56 : x
2. Step 2: Convert to fraction form
   17,127.24/25,687.62 = 5,440.56/x
3. Step 3: Cross multiply
   17,127.24x = 25,687.62 × 5,440.56
4. Step 4: Simplify right side
   17,127.24x = 139,755,037.87
5. Step 5: Solve for x
   x = 139,755,037.87/17,127.24
6. Step 6: Final answer
   x = 8,159.81