Finding the Fourth Proportional to 1,498.32, 2,067.60 and 868.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.32 : 2,067.60 = 868.88 : x
2. Step 2: Convert to fraction form
   1,498.32/2,067.60 = 868.88/x
3. Step 3: Cross multiply
   1,498.32x = 2,067.60 × 868.88
4. Step 4: Simplify right side
   1,498.32x = 1,796,496.29
5. Step 5: Solve for x
   x = 1,796,496.29/1,498.32
6. Step 6: Final answer
   x = 1,199.01