Finding the Fourth Proportional to 2,223.86, 3,067.96 and 1,339.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.86 : 3,067.96 = 1,339.15 : x
2. Step 2: Convert to fraction form
   2,223.86/3,067.96 = 1,339.15/x
3. Step 3: Cross multiply
   2,223.86x = 3,067.96 × 1,339.15
4. Step 4: Simplify right side
   2,223.86x = 4,108,447.62
5. Step 5: Solve for x
   x = 4,108,447.62/2,223.86
6. Step 6: Final answer
   x = 1,847.44