Finding the Fourth Proportional to 3,036.05, 4,550.42 and 1,280.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,036.05 : 4,550.42 = 1,280.38 : x
2. Step 2: Convert to fraction form
   3,036.05/4,550.42 = 1,280.38/x
3. Step 3: Cross multiply
   3,036.05x = 4,550.42 × 1,280.38
4. Step 4: Simplify right side
   3,036.05x = 5,826,244.01
5. Step 5: Solve for x
   x = 5,826,244.01/3,036.05
6. Step 6: Final answer
   x = 1,919.02