Finding the Fourth Proportional to 2,066.66, 2,851.56 and 1,227.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.66 : 2,851.56 = 1,227.66 : x
2. Step 2: Convert to fraction form
   2,066.66/2,851.56 = 1,227.66/x
3. Step 3: Cross multiply
   2,066.66x = 2,851.56 × 1,227.66
4. Step 4: Simplify right side
   2,066.66x = 3,500,746.15
5. Step 5: Solve for x
   x = 3,500,746.15/2,066.66
6. Step 6: Final answer
   x = 1,693.91