Finding the Fourth Proportional to 2,222.72, 3,067.34 and 1,227.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.72 : 3,067.34 = 1,227.99 : x
2. Step 2: Convert to fraction form
   2,222.72/3,067.34 = 1,227.99/x
3. Step 3: Cross multiply
   2,222.72x = 3,067.34 × 1,227.99
4. Step 4: Simplify right side
   2,222.72x = 3,766,665.92
5. Step 5: Solve for x
   x = 3,766,665.92/2,222.72
6. Step 6: Final answer
   x = 1,694.62