Finding the Fourth Proportional to 2,025.71, 3,040.49 and 986.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.71 : 3,040.49 = 986.28 : x
2. Step 2: Convert to fraction form
   2,025.71/3,040.49 = 986.28/x
3. Step 3: Cross multiply
   2,025.71x = 3,040.49 × 986.28
4. Step 4: Simplify right side
   2,025.71x = 2,998,769.55
5. Step 5: Solve for x
   x = 2,998,769.55/2,025.71
6. Step 6: Final answer
   x = 1,480.36