Finding the Fourth Proportional to 3,162.63, 4,742.63 and 1,082.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,162.63 : 4,742.63 = 1,082.22 : x
2. Step 2: Convert to fraction form
   3,162.63/4,742.63 = 1,082.22/x
3. Step 3: Cross multiply
   3,162.63x = 4,742.63 × 1,082.22
4. Step 4: Simplify right side
   3,162.63x = 5,132,569.04
5. Step 5: Solve for x
   x = 5,132,569.04/3,162.63
6. Step 6: Final answer
   x = 1,622.88