Finding the Fourth Proportional to 2,280.06, 3,145.83 and 1,371.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.06 : 3,145.83 = 1,371.33 : x
2. Step 2: Convert to fraction form
   2,280.06/3,145.83 = 1,371.33/x
3. Step 3: Cross multiply
   2,280.06x = 3,145.83 × 1,371.33
4. Step 4: Simplify right side
   2,280.06x = 4,313,967.05
5. Step 5: Solve for x
   x = 4,313,967.05/2,280.06
6. Step 6: Final answer
   x = 1,892.04