Finding the Fourth Proportional to 3,818.43, 5,726.72 and 2,429.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.43 : 5,726.72 = 2,429.69 : x
2. Step 2: Convert to fraction form
   3,818.43/5,726.72 = 2,429.69/x
3. Step 3: Cross multiply
   3,818.43x = 5,726.72 × 2,429.69
4. Step 4: Simplify right side
   3,818.43x = 13,914,113.53
5. Step 5: Solve for x
   x = 13,914,113.53/3,818.43
6. Step 6: Final answer
   x = 3,643.94