Finding the Fourth Proportional to 2,067.81, 2,851.25 and 1,507.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.81 : 2,851.25 = 1,507.29 : x
2. Step 2: Convert to fraction form
   2,067.81/2,851.25 = 1,507.29/x
3. Step 3: Cross multiply
   2,067.81x = 2,851.25 × 1,507.29
4. Step 4: Simplify right side
   2,067.81x = 4,297,653.08
5. Step 5: Solve for x
   x = 4,297,653.08/2,067.81
6. Step 6: Final answer
   x = 2,078.36