Finding the Fourth Proportional to 1,067.78, 1,601.91 and 337.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.78 : 1,601.91 = 337.29 : x
2. Step 2: Convert to fraction form
   1,067.78/1,601.91 = 337.29/x
3. Step 3: Cross multiply
   1,067.78x = 1,601.91 × 337.29
4. Step 4: Simplify right side
   1,067.78x = 540,308.22
5. Step 5: Solve for x
   x = 540,308.22/1,067.78
6. Step 6: Final answer
   x = 506.01