Finding the Fourth Proportional to 2,668.55, 3,682.67 and 1,489.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.55 : 3,682.67 = 1,489.69 : x
2. Step 2: Convert to fraction form
   2,668.55/3,682.67 = 1,489.69/x
3. Step 3: Cross multiply
   2,668.55x = 3,682.67 × 1,489.69
4. Step 4: Simplify right side
   2,668.55x = 5,486,033.83
5. Step 5: Solve for x
   x = 5,486,033.83/2,668.55
6. Step 6: Final answer
   x = 2,055.81