Finding the Fourth Proportional to 2,016.88, 3,025.52 and 718.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.88 : 3,025.52 = 718.86 : x
2. Step 2: Convert to fraction form
   2,016.88/3,025.52 = 718.86/x
3. Step 3: Cross multiply
   2,016.88x = 3,025.52 × 718.86
4. Step 4: Simplify right side
   2,016.88x = 2,174,925.31
5. Step 5: Solve for x
   x = 2,174,925.31/2,016.88
6. Step 6: Final answer
   x = 1,078.36