Finding the Fourth Proportional to 2,222.29, 3,066.93 and 1,227.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.29 : 3,066.93 = 1,227.76 : x
2. Step 2: Convert to fraction form
   2,222.29/3,066.93 = 1,227.76/x
3. Step 3: Cross multiply
   2,222.29x = 3,066.93 × 1,227.76
4. Step 4: Simplify right side
   2,222.29x = 3,765,453.98
5. Step 5: Solve for x
   x = 3,765,453.98/2,222.29
6. Step 6: Final answer
   x = 1,694.40