Finding the Fourth Proportional to 17,013.48, 25,513.72 and 8,127.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,013.48 : 25,513.72 = 8,127.24 : x
2. Step 2: Convert to fraction form
   17,013.48/25,513.72 = 8,127.24/x
3. Step 3: Cross multiply
   17,013.48x = 25,513.72 × 8,127.24
4. Step 4: Simplify right side
   17,013.48x = 207,356,125.73
5. Step 5: Solve for x
   x = 207,356,125.73/17,013.48
6. Step 6: Final answer
   x = 12,187.75