Finding the Fourth Proportional to 1,498.46, 2,067.47 and 868.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.46 : 2,067.47 = 868.87 : x
2. Step 2: Convert to fraction form
   1,498.46/2,067.47 = 868.87/x
3. Step 3: Cross multiply
   1,498.46x = 2,067.47 × 868.87
4. Step 4: Simplify right side
   1,498.46x = 1,796,353.15
5. Step 5: Solve for x
   x = 1,796,353.15/1,498.46
6. Step 6: Final answer
   x = 1,198.80