Finding the Fourth Proportional to 2,489.81, 3,435.17 and 1,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489.81 : 3,435.17 = 1,494.72 : x
2. Step 2: Convert to fraction form
   2,489.81/3,435.17 = 1,494.72/x
3. Step 3: Cross multiply
   2,489.81x = 3,435.17 × 1,494.72
4. Step 4: Simplify right side
   2,489.81x = 5,134,609.83
5. Step 5: Solve for x
   x = 5,134,609.83/2,489.81
6. Step 6: Final answer
   x = 2,062.25