Finding the Fourth Proportional to 3,162.72, 4,740.78 and 1,082.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,162.72 : 4,740.78 = 1,082.11 : x
2. Step 2: Convert to fraction form
   3,162.72/4,740.78 = 1,082.11/x
3. Step 3: Cross multiply
   3,162.72x = 4,740.78 × 1,082.11
4. Step 4: Simplify right side
   3,162.72x = 5,130,040.45
5. Step 5: Solve for x
   x = 5,130,040.45/3,162.72
6. Step 6: Final answer
   x = 1,622.03