Finding the Fourth Proportional to 1,498.54, 2,067.62 and 909.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.54 : 2,067.62 = 909.06 : x
2. Step 2: Convert to fraction form
   1,498.54/2,067.62 = 909.06/x
3. Step 3: Cross multiply
   1,498.54x = 2,067.62 × 909.06
4. Step 4: Simplify right side
   1,498.54x = 1,879,590.64
5. Step 5: Solve for x
   x = 1,879,590.64/1,498.54
6. Step 6: Final answer
   x = 1,254.28