Finding the Fourth Proportional to 2,658.42, 3,668.83 and 1,539.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.42 : 3,668.83 = 1,539.38 : x
2. Step 2: Convert to fraction form
   2,658.42/3,668.83 = 1,539.38/x
3. Step 3: Cross multiply
   2,658.42x = 3,668.83 × 1,539.38
4. Step 4: Simplify right side
   2,658.42x = 5,647,704.68
5. Step 5: Solve for x
   x = 5,647,704.68/2,658.42
6. Step 6: Final answer
   x = 2,124.46