Finding the Fourth Proportional to 3,152.82, 4,728.78 and 1,072.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,152.82 : 4,728.78 = 1,072.83 : x
2. Step 2: Convert to fraction form
   3,152.82/4,728.78 = 1,072.83/x
3. Step 3: Cross multiply
   3,152.82x = 4,728.78 × 1,072.83
4. Step 4: Simplify right side
   3,152.82x = 5,073,177.05
5. Step 5: Solve for x
   x = 5,073,177.05/3,152.82
6. Step 6: Final answer
   x = 1,609.09