Finding the Fourth Proportional to 2,417.52, 3,626.31 and 686.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.52 : 3,626.31 = 686.14 : x
2. Step 2: Convert to fraction form
   2,417.52/3,626.31 = 686.14/x
3. Step 3: Cross multiply
   2,417.52x = 3,626.31 × 686.14
4. Step 4: Simplify right side
   2,417.52x = 2,488,156.34
5. Step 5: Solve for x
   x = 2,488,156.34/2,417.52
6. Step 6: Final answer
   x = 1,029.22