Finding the Fourth Proportional to 2,016.15, 3,025.23 and 717.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.15 : 3,025.23 = 717.72 : x
2. Step 2: Convert to fraction form
   2,016.15/3,025.23 = 717.72/x
3. Step 3: Cross multiply
   2,016.15x = 3,025.23 × 717.72
4. Step 4: Simplify right side
   2,016.15x = 2,171,268.08
5. Step 5: Solve for x
   x = 2,171,268.08/2,016.15
6. Step 6: Final answer
   x = 1,076.94