Finding the Fourth Proportional to 2,222.17, 3,066.49 and 1,227.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.17 : 3,066.49 = 1,227.52 : x
2. Step 2: Convert to fraction form
   2,222.17/3,066.49 = 1,227.52/x
3. Step 3: Cross multiply
   2,222.17x = 3,066.49 × 1,227.52
4. Step 4: Simplify right side
   2,222.17x = 3,764,177.80
5. Step 5: Solve for x
   x = 3,764,177.80/2,222.17
6. Step 6: Final answer
   x = 1,693.92