Finding the Fourth Proportional to 2,067.19, 2,851.47 and 1,227.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.19 : 2,851.47 = 1,227.34 : x
2. Step 2: Convert to fraction form
   2,067.19/2,851.47 = 1,227.34/x
3. Step 3: Cross multiply
   2,067.19x = 2,851.47 × 1,227.34
4. Step 4: Simplify right side
   2,067.19x = 3,499,723.19
5. Step 5: Solve for x
   x = 3,499,723.19/2,067.19
6. Step 6: Final answer
   x = 1,692.99