Finding the Fourth Proportional to 1,498.22, 2,067.69 and 909.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.22 : 2,067.69 = 909.17 : x
2. Step 2: Convert to fraction form
   1,498.22/2,067.69 = 909.17/x
3. Step 3: Cross multiply
   1,498.22x = 2,067.69 × 909.17
4. Step 4: Simplify right side
   1,498.22x = 1,879,871.38
5. Step 5: Solve for x
   x = 1,879,871.38/1,498.22
6. Step 6: Final answer
   x = 1,254.74