Finding the Fourth Proportional to 2,082.02, 3,122.85 and 695.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.02 : 3,122.85 = 695.30 : x
2. Step 2: Convert to fraction form
   2,082.02/3,122.85 = 695.30/x
3. Step 3: Cross multiply
   2,082.02x = 3,122.85 × 695.30
4. Step 4: Simplify right side
   2,082.02x = 2,171,317.61
5. Step 5: Solve for x
   x = 2,171,317.61/2,082.02
6. Step 6: Final answer
   x = 1,042.89