Finding the Fourth Proportional to 2,608.43, 3,599.55 and 1,429.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.43 : 3,599.55 = 1,429.49 : x
2. Step 2: Convert to fraction form
   2,608.43/3,599.55 = 1,429.49/x
3. Step 3: Cross multiply
   2,608.43x = 3,599.55 × 1,429.49
4. Step 4: Simplify right side
   2,608.43x = 5,145,520.73
5. Step 5: Solve for x
   x = 5,145,520.73/2,608.43
6. Step 6: Final answer
   x = 1,972.65