Finding the Fourth Proportional to 2,329.87, 3,494.69 and 868.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329.87 : 3,494.69 = 868.91 : x
2. Step 2: Convert to fraction form
   2,329.87/3,494.69 = 868.91/x
3. Step 3: Cross multiply
   2,329.87x = 3,494.69 × 868.91
4. Step 4: Simplify right side
   2,329.87x = 3,036,568.89
5. Step 5: Solve for x
   x = 3,036,568.89/2,329.87
6. Step 6: Final answer
   x = 1,303.32