Finding the Fourth Proportional to 2,058.10, 3,086.46 and 723.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.10 : 3,086.46 = 723.58 : x
2. Step 2: Convert to fraction form
   2,058.10/3,086.46 = 723.58/x
3. Step 3: Cross multiply
   2,058.10x = 3,086.46 × 723.58
4. Step 4: Simplify right side
   2,058.10x = 2,233,300.73
5. Step 5: Solve for x
   x = 2,233,300.73/2,058.10
6. Step 6: Final answer
   x = 1,085.13