Finding the Fourth Proportional to 2,067.24, 2,852.10 and 1,238.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.24 : 2,852.10 = 1,238.76 : x
2. Step 2: Convert to fraction form
   2,067.24/2,852.10 = 1,238.76/x
3. Step 3: Cross multiply
   2,067.24x = 2,852.10 × 1,238.76
4. Step 4: Simplify right side
   2,067.24x = 3,533,067.40
5. Step 5: Solve for x
   x = 3,533,067.40/2,067.24
6. Step 6: Final answer
   x = 1,709.07