Finding the Fourth Proportional to 1,498.53, 2,067.62 and 909.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.53 : 2,067.62 = 909.05 : x
2. Step 2: Convert to fraction form
   1,498.53/2,067.62 = 909.05/x
3. Step 3: Cross multiply
   1,498.53x = 2,067.62 × 909.05
4. Step 4: Simplify right side
   1,498.53x = 1,879,569.96
5. Step 5: Solve for x
   x = 1,879,569.96/1,498.53
6. Step 6: Final answer
   x = 1,254.28