Finding the Fourth Proportional to 2,222.09, 3,066.33 and 1,227.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.09 : 3,066.33 = 1,227.36 : x
2. Step 2: Convert to fraction form
   2,222.09/3,066.33 = 1,227.36/x
3. Step 3: Cross multiply
   2,222.09x = 3,066.33 × 1,227.36
4. Step 4: Simplify right side
   2,222.09x = 3,763,482.74
5. Step 5: Solve for x
   x = 3,763,482.74/2,222.09
6. Step 6: Final answer
   x = 1,693.67