Finding the Fourth Proportional to 2,281.95, 3,149.37 and 1,287.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.95 : 3,149.37 = 1,287.59 : x
2. Step 2: Convert to fraction form
   2,281.95/3,149.37 = 1,287.59/x
3. Step 3: Cross multiply
   2,281.95x = 3,149.37 × 1,287.59
4. Step 4: Simplify right side
   2,281.95x = 4,055,081.57
5. Step 5: Solve for x
   x = 4,055,081.57/2,281.95
6. Step 6: Final answer
   x = 1,777.02