Finding the Fourth Proportional to 2,668.50, 3,682.53 and 1,489.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.50 : 3,682.53 = 1,489.57 : x
2. Step 2: Convert to fraction form
   2,668.50/3,682.53 = 1,489.57/x
3. Step 3: Cross multiply
   2,668.50x = 3,682.53 × 1,489.57
4. Step 4: Simplify right side
   2,668.50x = 5,485,397.72
5. Step 5: Solve for x
   x = 5,485,397.72/2,668.50
6. Step 6: Final answer
   x = 2,055.61