Finding the Fourth Proportional to 2,489.57, 3,434.46 and 1,493.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489.57 : 3,434.46 = 1,493.12 : x
2. Step 2: Convert to fraction form
   2,489.57/3,434.46 = 1,493.12/x
3. Step 3: Cross multiply
   2,489.57x = 3,434.46 × 1,493.12
4. Step 4: Simplify right side
   2,489.57x = 5,128,060.92
5. Step 5: Solve for x
   x = 5,128,060.92/2,489.57
6. Step 6: Final answer
   x = 2,059.82