Finding the Fourth Proportional to 2,439.42, 3,658.52 and 2,049.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,439.42 : 3,658.52 = 2,049.71 : x
2. Step 2: Convert to fraction form
   2,439.42/3,658.52 = 2,049.71/x
3. Step 3: Cross multiply
   2,439.42x = 3,658.52 × 2,049.71
4. Step 4: Simplify right side
   2,439.42x = 7,498,880.33
5. Step 5: Solve for x
   x = 7,498,880.33/2,439.42
6. Step 6: Final answer
   x = 3,074.05