Finding the Fourth Proportional to 2,329.52, 3,493.72 and 685.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329.52 : 3,493.72 = 685.62 : x
2. Step 2: Convert to fraction form
   2,329.52/3,493.72 = 685.62/x
3. Step 3: Cross multiply
   2,329.52x = 3,493.72 × 685.62
4. Step 4: Simplify right side
   2,329.52x = 2,395,364.31
5. Step 5: Solve for x
   x = 2,395,364.31/2,329.52
6. Step 6: Final answer
   x = 1,028.27