Finding the Fourth Proportional to 1,498.16, 2,067.57 and 868.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.16 : 2,067.57 = 868.85 : x
2. Step 2: Convert to fraction form
   1,498.16/2,067.57 = 868.85/x
3. Step 3: Cross multiply
   1,498.16x = 2,067.57 × 868.85
4. Step 4: Simplify right side
   1,498.16x = 1,796,408.19
5. Step 5: Solve for x
   x = 1,796,408.19/1,498.16
6. Step 6: Final answer
   x = 1,199.08