Finding the Fourth Proportional to 2,167.04, 3,248.52 and 868.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.04 : 3,248.52 = 868.61 : x
2. Step 2: Convert to fraction form
   2,167.04/3,248.52 = 868.61/x
3. Step 3: Cross multiply
   2,167.04x = 3,248.52 × 868.61
4. Step 4: Simplify right side
   2,167.04x = 2,821,680.71
5. Step 5: Solve for x
   x = 2,821,680.71/2,167.04
6. Step 6: Final answer
   x = 1,302.09