Finding the Fourth Proportional to 2,222.27, 3,066.71 and 1,227.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.27 : 3,066.71 = 1,227.48 : x
2. Step 2: Convert to fraction form
   2,222.27/3,066.71 = 1,227.48/x
3. Step 3: Cross multiply
   2,222.27x = 3,066.71 × 1,227.48
4. Step 4: Simplify right side
   2,222.27x = 3,764,328.26
5. Step 5: Solve for x
   x = 3,764,328.26/2,222.27
6. Step 6: Final answer
   x = 1,693.91