Finding the Fourth Proportional to 2,429.04, 3,643.14 and 868.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.04 : 3,643.14 = 868.70 : x
2. Step 2: Convert to fraction form
   2,429.04/3,643.14 = 868.70/x
3. Step 3: Cross multiply
   2,429.04x = 3,643.14 × 868.70
4. Step 4: Simplify right side
   2,429.04x = 3,164,795.72
5. Step 5: Solve for x
   x = 3,164,795.72/2,429.04
6. Step 6: Final answer
   x = 1,302.90