Finding the Fourth Proportional to 2,279.24, 3,143.78 and 1,441.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.24 : 3,143.78 = 1,441.02 : x
2. Step 2: Convert to fraction form
   2,279.24/3,143.78 = 1,441.02/x
3. Step 3: Cross multiply
   2,279.24x = 3,143.78 × 1,441.02
4. Step 4: Simplify right side
   2,279.24x = 4,530,249.86
5. Step 5: Solve for x
   x = 4,530,249.86/2,279.24
6. Step 6: Final answer
   x = 1,987.61