Finding the Fourth Proportional to 2,222.19, 3,066.57 and 1,227.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.19 : 3,066.57 = 1,227.39 : x
2. Step 2: Convert to fraction form
   2,222.19/3,066.57 = 1,227.39/x
3. Step 3: Cross multiply
   2,222.19x = 3,066.57 × 1,227.39
4. Step 4: Simplify right side
   2,222.19x = 3,763,877.35
5. Step 5: Solve for x
   x = 3,763,877.35/2,222.19
6. Step 6: Final answer
   x = 1,693.77