Finding the Fourth Proportional to 2,429.57, 3,352.82 and 1,381.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.57 : 3,352.82 = 1,381.64 : x
2. Step 2: Convert to fraction form
   2,429.57/3,352.82 = 1,381.64/x
3. Step 3: Cross multiply
   2,429.57x = 3,352.82 × 1,381.64
4. Step 4: Simplify right side
   2,429.57x = 4,632,366.55
5. Step 5: Solve for x
   x = 4,632,366.55/2,429.57
6. Step 6: Final answer
   x = 1,906.66