Finding the Fourth Proportional to 2,223.83, 3,067.92 and 1,279.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.83 : 3,067.92 = 1,279.42 : x
2. Step 2: Convert to fraction form
   2,223.83/3,067.92 = 1,279.42/x
3. Step 3: Cross multiply
   2,223.83x = 3,067.92 × 1,279.42
4. Step 4: Simplify right side
   2,223.83x = 3,925,150.54
5. Step 5: Solve for x
   x = 3,925,150.54/2,223.83
6. Step 6: Final answer
   x = 1,765.04