Finding the Fourth Proportional to 2,684.91, 3,704.81 and 1,489.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684.91 : 3,704.81 = 1,489.87 : x
2. Step 2: Convert to fraction form
   2,684.91/3,704.81 = 1,489.87/x
3. Step 3: Cross multiply
   2,684.91x = 3,704.81 × 1,489.87
4. Step 4: Simplify right side
   2,684.91x = 5,519,685.27
5. Step 5: Solve for x
   x = 5,519,685.27/2,684.91
6. Step 6: Final answer
   x = 2,055.82