Finding the Fourth Proportional to 2,222.33, 3,066.78 and 1,227.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.33 : 3,066.78 = 1,227.61 : x
2. Step 2: Convert to fraction form
   2,222.33/3,066.78 = 1,227.61/x
3. Step 3: Cross multiply
   2,222.33x = 3,066.78 × 1,227.61
4. Step 4: Simplify right side
   2,222.33x = 3,764,809.80
5. Step 5: Solve for x
   x = 3,764,809.80/2,222.33
6. Step 6: Final answer
   x = 1,694.08