Finding the Fourth Proportional to 2,223.45, 3,067.41 and 1,279.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.45 : 3,067.41 = 1,279.02 : x
2. Step 2: Convert to fraction form
   2,223.45/3,067.41 = 1,279.02/x
3. Step 3: Cross multiply
   2,223.45x = 3,067.41 × 1,279.02
4. Step 4: Simplify right side
   2,223.45x = 3,923,278.74
5. Step 5: Solve for x
   x = 3,923,278.74/2,223.45
6. Step 6: Final answer
   x = 1,764.50