Finding the Fourth Proportional to 1,629.86, 2,443.10 and 1,082.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629.86 : 2,443.10 = 1,082.30 : x
2. Step 2: Convert to fraction form
   1,629.86/2,443.10 = 1,082.30/x
3. Step 3: Cross multiply
   1,629.86x = 2,443.10 × 1,082.30
4. Step 4: Simplify right side
   1,629.86x = 2,644,149.50
5. Step 5: Solve for x
   x = 2,644,149.50/1,629.86
6. Step 6: Final answer
   x = 1,622.32