Finding the Fourth Proportional to 2,222.52, 3,067.20 and 1,227.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.52 : 3,067.20 = 1,227.89 : x
2. Step 2: Convert to fraction form
   2,222.52/3,067.20 = 1,227.89/x
3. Step 3: Cross multiply
   2,222.52x = 3,067.20 × 1,227.89
4. Step 4: Simplify right side
   2,222.52x = 3,766,191.88
5. Step 5: Solve for x
   x = 3,766,191.88/2,222.52
6. Step 6: Final answer
   x = 1,694.56