Finding the Fourth Proportional to 2,016.49, 3,025.20 and 717.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.49 : 3,025.20 = 717.97 : x
2. Step 2: Convert to fraction form
   2,016.49/3,025.20 = 717.97/x
3. Step 3: Cross multiply
   2,016.49x = 3,025.20 × 717.97
4. Step 4: Simplify right side
   2,016.49x = 2,172,002.84
5. Step 5: Solve for x
   x = 2,172,002.84/2,016.49
6. Step 6: Final answer
   x = 1,077.12