Finding the Fourth Proportional to 2,222.35, 3,066.82 and 1,227.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.35 : 3,066.82 = 1,227.69 : x
2. Step 2: Convert to fraction form
   2,222.35/3,066.82 = 1,227.69/x
3. Step 3: Cross multiply
   2,222.35x = 3,066.82 × 1,227.69
4. Step 4: Simplify right side
   2,222.35x = 3,765,104.25
5. Step 5: Solve for x
   x = 3,765,104.25/2,222.35
6. Step 6: Final answer
   x = 1,694.20