Finding the Fourth Proportional to 1,067.15, 1,472.72 and 601.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067.15 : 1,472.72 = 601.40 : x
2. Step 2: Convert to fraction form
   1,067.15/1,472.72 = 601.40/x
3. Step 3: Cross multiply
   1,067.15x = 1,472.72 × 601.40
4. Step 4: Simplify right side
   1,067.15x = 885,683.44
5. Step 5: Solve for x
   x = 885,683.44/1,067.15
6. Step 6: Final answer
   x = 829.96