Finding the Fourth Proportional to 2,222.37, 3,066.75 and 1,227.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.37 : 3,066.75 = 1,227.65 : x
2. Step 2: Convert to fraction form
   2,222.37/3,066.75 = 1,227.65/x
3. Step 3: Cross multiply
   2,222.37x = 3,066.75 × 1,227.65
4. Step 4: Simplify right side
   2,222.37x = 3,764,880.30
5. Step 5: Solve for x
   x = 3,764,880.30/2,222.37
6. Step 6: Final answer
   x = 1,694.08