Finding the Fourth Proportional to 2,222.34, 3,066.84 and 1,227.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.34 : 3,066.84 = 1,227.60 : x
2. Step 2: Convert to fraction form
   2,222.34/3,066.84 = 1,227.60/x
3. Step 3: Cross multiply
   2,222.34x = 3,066.84 × 1,227.60
4. Step 4: Simplify right side
   2,222.34x = 3,764,852.78
5. Step 5: Solve for x
   x = 3,764,852.78/2,222.34
6. Step 6: Final answer
   x = 1,694.09