Finding the Fourth Proportional to 2,489.28, 3,434.05 and 1,492.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489.28 : 3,434.05 = 1,492.83 : x
2. Step 2: Convert to fraction form
   2,489.28/3,434.05 = 1,492.83/x
3. Step 3: Cross multiply
   2,489.28x = 3,434.05 × 1,492.83
4. Step 4: Simplify right side
   2,489.28x = 5,126,452.86
5. Step 5: Solve for x
   x = 5,126,452.86/2,489.28
6. Step 6: Final answer
   x = 2,059.41