Finding the Fourth Proportional to 2,222.29, 3,066.66 and 1,277.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.29 : 3,066.66 = 1,277.42 : x
2. Step 2: Convert to fraction form
   2,222.29/3,066.66 = 1,277.42/x
3. Step 3: Cross multiply
   2,222.29x = 3,066.66 × 1,277.42
4. Step 4: Simplify right side
   2,222.29x = 3,917,412.82
5. Step 5: Solve for x
   x = 3,917,412.82/2,222.29
6. Step 6: Final answer
   x = 1,762.78