Finding the Fourth Proportional to 2,222.58, 3,067.17 and 1,227.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.58 : 3,067.17 = 1,227.86 : x
2. Step 2: Convert to fraction form
   2,222.58/3,067.17 = 1,227.86/x
3. Step 3: Cross multiply
   2,222.58x = 3,067.17 × 1,227.86
4. Step 4: Simplify right side
   2,222.58x = 3,766,064.17
5. Step 5: Solve for x
   x = 3,766,064.17/2,222.58
6. Step 6: Final answer
   x = 1,694.45