Finding the Fourth Proportional to 2,658.55, 3,668.71 and 1,479.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.55 : 3,668.71 = 1,479.60 : x
2. Step 2: Convert to fraction form
   2,658.55/3,668.71 = 1,479.60/x
3. Step 3: Cross multiply
   2,658.55x = 3,668.71 × 1,479.60
4. Step 4: Simplify right side
   2,658.55x = 5,428,223.32
5. Step 5: Solve for x
   x = 5,428,223.32/2,658.55
6. Step 6: Final answer
   x = 2,041.80