Finding the Fourth Proportional to 2,280.05, 3,146.27 and 1,335.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.05 : 3,146.27 = 1,335.71 : x
2. Step 2: Convert to fraction form
   2,280.05/3,146.27 = 1,335.71/x
3. Step 3: Cross multiply
   2,280.05x = 3,146.27 × 1,335.71
4. Step 4: Simplify right side
   2,280.05x = 4,202,504.30
5. Step 5: Solve for x
   x = 4,202,504.30/2,280.05
6. Step 6: Final answer
   x = 1,843.17