Finding the Fourth Proportional to 2,441.30, 3,662.59 and 686.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,441.30 : 3,662.59 = 686.31 : x
2. Step 2: Convert to fraction form
   2,441.30/3,662.59 = 686.31/x
3. Step 3: Cross multiply
   2,441.30x = 3,662.59 × 686.31
4. Step 4: Simplify right side
   2,441.30x = 2,513,686.74
5. Step 5: Solve for x
   x = 2,513,686.74/2,441.30
6. Step 6: Final answer
   x = 1,029.65