Finding the Fourth Proportional to 1,072.85, 1,480.42 and 600.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072.85 : 1,480.42 = 600.72 : x
2. Step 2: Convert to fraction form
   1,072.85/1,480.42 = 600.72/x
3. Step 3: Cross multiply
   1,072.85x = 1,480.42 × 600.72
4. Step 4: Simplify right side
   1,072.85x = 889,317.90
5. Step 5: Solve for x
   x = 889,317.90/1,072.85
6. Step 6: Final answer
   x = 828.93