Finding the Fourth Proportional to 3,152.77, 4,728.69 and 1,072.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,152.77 : 4,728.69 = 1,072.83 : x
2. Step 2: Convert to fraction form
   3,152.77/4,728.69 = 1,072.83/x
3. Step 3: Cross multiply
   3,152.77x = 4,728.69 × 1,072.83
4. Step 4: Simplify right side
   3,152.77x = 5,073,098.23
5. Step 5: Solve for x
   x = 5,073,098.23/3,152.77
6. Step 6: Final answer
   x = 1,609.09