Finding the Fourth Proportional to 2,017.05, 3,025.59 and 718.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.05 : 3,025.59 = 718.48 : x
2. Step 2: Convert to fraction form
   2,017.05/3,025.59 = 718.48/x
3. Step 3: Cross multiply
   2,017.05x = 3,025.59 × 718.48
4. Step 4: Simplify right side
   2,017.05x = 2,173,825.90
5. Step 5: Solve for x
   x = 2,173,825.90/2,017.05
6. Step 6: Final answer
   x = 1,077.73