Finding the Fourth Proportional to 2,433.59, 3,643.35 and 1,429.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.59 : 3,643.35 = 1,429.90 : x
2. Step 2: Convert to fraction form
   2,433.59/3,643.35 = 1,429.90/x
3. Step 3: Cross multiply
   2,433.59x = 3,643.35 × 1,429.90
4. Step 4: Simplify right side
   2,433.59x = 5,209,626.17
5. Step 5: Solve for x
   x = 5,209,626.17/2,433.59
6. Step 6: Final answer
   x = 2,140.72