Finding the Fourth Proportional to 2,082.21, 3,123.46 and 695.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.21 : 3,123.46 = 695.59 : x
2. Step 2: Convert to fraction form
   2,082.21/3,123.46 = 695.59/x
3. Step 3: Cross multiply
   2,082.21x = 3,123.46 × 695.59
4. Step 4: Simplify right side
   2,082.21x = 2,172,640.60
5. Step 5: Solve for x
   x = 2,172,640.60/2,082.21
6. Step 6: Final answer
   x = 1,043.43