Finding the Fourth Proportional to 1,498.25, 2,067.58 and 868.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.25 : 2,067.58 = 868.90 : x
2. Step 2: Convert to fraction form
   1,498.25/2,067.58 = 868.90/x
3. Step 3: Cross multiply
   1,498.25x = 2,067.58 × 868.90
4. Step 4: Simplify right side
   1,498.25x = 1,796,520.98
5. Step 5: Solve for x
   x = 1,796,520.98/1,498.25
6. Step 6: Final answer
   x = 1,199.08