Finding the Fourth Proportional to 2,222.05, 3,066.52 and 1,227.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.05 : 3,066.52 = 1,227.44 : x
2. Step 2: Convert to fraction form
   2,222.05/3,066.52 = 1,227.44/x
3. Step 3: Cross multiply
   2,222.05x = 3,066.52 × 1,227.44
4. Step 4: Simplify right side
   2,222.05x = 3,763,969.31
5. Step 5: Solve for x
   x = 3,763,969.31/2,222.05
6. Step 6: Final answer
   x = 1,693.92