Finding the Fourth Proportional to 2,064.20, 3,096.48 and 677.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.20 : 3,096.48 = 677.18 : x
2. Step 2: Convert to fraction form
   2,064.20/3,096.48 = 677.18/x
3. Step 3: Cross multiply
   2,064.20x = 3,096.48 × 677.18
4. Step 4: Simplify right side
   2,064.20x = 2,096,874.33
5. Step 5: Solve for x
   x = 2,096,874.33/2,064.20
6. Step 6: Final answer
   x = 1,015.83