Finding the Fourth Proportional to 2,058.31, 3,086.10 and 1,082.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.31 : 3,086.10 = 1,082.36 : x
2. Step 2: Convert to fraction form
   2,058.31/3,086.10 = 1,082.36/x
3. Step 3: Cross multiply
   2,058.31x = 3,086.10 × 1,082.36
4. Step 4: Simplify right side
   2,058.31x = 3,340,278.91
5. Step 5: Solve for x
   x = 3,340,278.91/2,058.31
6. Step 6: Final answer
   x = 1,622.82