Finding the Fourth Proportional to 17,013.50, 25,498.05 and 8,686.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,013.50 : 25,498.05 = 8,686.48 : x
2. Step 2: Convert to fraction form
   17,013.50/25,498.05 = 8,686.48/x
3. Step 3: Cross multiply
   17,013.50x = 25,498.05 × 8,686.48
4. Step 4: Simplify right side
   17,013.50x = 221,488,205.04
5. Step 5: Solve for x
   x = 221,488,205.04/17,013.50
6. Step 6: Final answer
   x = 13,018.38