Finding the Fourth Proportional to 2,082.87, 3,123.50 and 1,042.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.87 : 3,123.50 = 1,042.29 : x
2. Step 2: Convert to fraction form
   2,082.87/3,123.50 = 1,042.29/x
3. Step 3: Cross multiply
   2,082.87x = 3,123.50 × 1,042.29
4. Step 4: Simplify right side
   2,082.87x = 3,255,587.60
5. Step 5: Solve for x
   x = 3,255,587.60/2,082.87
6. Step 6: Final answer
   x = 1,563.03