Finding the Fourth Proportional to 2,613.80, 3,606.77 and 1,479.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.80 : 3,606.77 = 1,479.60 : x
2. Step 2: Convert to fraction form
   2,613.80/3,606.77 = 1,479.60/x
3. Step 3: Cross multiply
   2,613.80x = 3,606.77 × 1,479.60
4. Step 4: Simplify right side
   2,613.80x = 5,336,571.57
5. Step 5: Solve for x
   x = 5,336,571.57/2,613.80
6. Step 6: Final answer
   x = 2,041.69