Finding the Fourth Proportional to 2,222.32, 3,066.81 and 1,227.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.32 : 3,066.81 = 1,227.61 : x
2. Step 2: Convert to fraction form
   2,222.32/3,066.81 = 1,227.61/x
3. Step 3: Cross multiply
   2,222.32x = 3,066.81 × 1,227.61
4. Step 4: Simplify right side
   2,222.32x = 3,764,846.62
5. Step 5: Solve for x
   x = 3,764,846.62/2,222.32
6. Step 6: Final answer
   x = 1,694.11