Finding the Fourth Proportional to 3,162.78, 4,744.83 and 1,082.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,162.78 : 4,744.83 = 1,082.94 : x
2. Step 2: Convert to fraction form
   3,162.78/4,744.83 = 1,082.94/x
3. Step 3: Cross multiply
   3,162.78x = 4,744.83 × 1,082.94
4. Step 4: Simplify right side
   3,162.78x = 5,138,366.20
5. Step 5: Solve for x
   x = 5,138,366.20/3,162.78
6. Step 6: Final answer
   x = 1,624.64