Finding the Fourth Proportional to 2,429.26, 3,644.67 and 869.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.26 : 3,644.67 = 869.23 : x
2. Step 2: Convert to fraction form
   2,429.26/3,644.67 = 869.23/x
3. Step 3: Cross multiply
   2,429.26x = 3,644.67 × 869.23
4. Step 4: Simplify right side
   2,429.26x = 3,168,056.50
5. Step 5: Solve for x
   x = 3,168,056.50/2,429.26
6. Step 6: Final answer
   x = 1,304.12