Finding the Fourth Proportional to 2,668.47, 3,682.83 and 1,489.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.47 : 3,682.83 = 1,489.78 : x
2. Step 2: Convert to fraction form
   2,668.47/3,682.83 = 1,489.78/x
3. Step 3: Cross multiply
   2,668.47x = 3,682.83 × 1,489.78
4. Step 4: Simplify right side
   2,668.47x = 5,486,606.48
5. Step 5: Solve for x
   x = 5,486,606.48/2,668.47
6. Step 6: Final answer
   x = 2,056.09