Finding the Fourth Proportional to 2,222.49, 3,066.82 and 1,227.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.49 : 3,066.82 = 1,227.54 : x
2. Step 2: Convert to fraction form
   2,222.49/3,066.82 = 1,227.54/x
3. Step 3: Cross multiply
   2,222.49x = 3,066.82 × 1,227.54
4. Step 4: Simplify right side
   2,222.49x = 3,764,641.15
5. Step 5: Solve for x
   x = 3,764,641.15/2,222.49
6. Step 6: Final answer
   x = 1,693.88