Finding the Fourth Proportional to 2,222.42, 3,066.89 and 1,227.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.42 : 3,066.89 = 1,227.63 : x
2. Step 2: Convert to fraction form
   2,222.42/3,066.89 = 1,227.63/x
3. Step 3: Cross multiply
   2,222.42x = 3,066.89 × 1,227.63
4. Step 4: Simplify right side
   2,222.42x = 3,765,011.53
5. Step 5: Solve for x
   x = 3,765,011.53/2,222.42
6. Step 6: Final answer
   x = 1,694.11