Finding the Fourth Proportional to 2,222.88, 3,067.92 and 1,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.88 : 3,067.92 = 1,662.72 : x
2. Step 2: Convert to fraction form
   2,222.88/3,067.92 = 1,662.72/x
3. Step 3: Cross multiply
   2,222.88x = 3,067.92 × 1,662.72
4. Step 4: Simplify right side
   2,222.88x = 5,101,091.94
5. Step 5: Solve for x
   x = 5,101,091.94/2,222.88
6. Step 6: Final answer
   x = 2,294.81