Finding the Fourth Proportional to 1,498.30, 2,067.18 and 908.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.30 : 2,067.18 = 908.80 : x
2. Step 2: Convert to fraction form
   1,498.30/2,067.18 = 908.80/x
3. Step 3: Cross multiply
   1,498.30x = 2,067.18 × 908.80
4. Step 4: Simplify right side
   1,498.30x = 1,878,653.18
5. Step 5: Solve for x
   x = 1,878,653.18/1,498.30
6. Step 6: Final answer
   x = 1,253.86