Finding the Fourth Proportional to 2,222.51, 3,066.73 and 1,227.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.51 : 3,066.73 = 1,227.83 : x
2. Step 2: Convert to fraction form
   2,222.51/3,066.73 = 1,227.83/x
3. Step 3: Cross multiply
   2,222.51x = 3,066.73 × 1,227.83
4. Step 4: Simplify right side
   2,222.51x = 3,765,404.69
5. Step 5: Solve for x
   x = 3,765,404.69/2,222.51
6. Step 6: Final answer
   x = 1,694.22