Finding the Fourth Proportional to 1,498.17, 2,067.60 and 909.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.17 : 2,067.60 = 909.03 : x
2. Step 2: Convert to fraction form
   1,498.17/2,067.60 = 909.03/x
3. Step 3: Cross multiply
   1,498.17x = 2,067.60 × 909.03
4. Step 4: Simplify right side
   1,498.17x = 1,879,500.09
5. Step 5: Solve for x
   x = 1,879,500.09/1,498.17
6. Step 6: Final answer
   x = 1,254.53