Finding the Fourth Proportional to 2,268.71, 3,128.74 and 1,471.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.71 : 3,128.74 = 1,471.20 : x
2. Step 2: Convert to fraction form
   2,268.71/3,128.74 = 1,471.20/x
3. Step 3: Cross multiply
   2,268.71x = 3,128.74 × 1,471.20
4. Step 4: Simplify right side
   2,268.71x = 4,603,002.15
5. Step 5: Solve for x
   x = 4,603,002.15/2,268.71
6. Step 6: Final answer
   x = 2,028.91