Finding the Fourth Proportional to 2,668.86, 3,682.17 and 1,489.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.86 : 3,682.17 = 1,489.71 : x
2. Step 2: Convert to fraction form
   2,668.86/3,682.17 = 1,489.71/x
3. Step 3: Cross multiply
   2,668.86x = 3,682.17 × 1,489.71
4. Step 4: Simplify right side
   2,668.86x = 5,485,365.47
5. Step 5: Solve for x
   x = 5,485,365.47/2,668.86
6. Step 6: Final answer
   x = 2,055.32