Finding the Fourth Proportional to 2,058.54, 3,085.89 and 759

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.54 : 3,085.89 = 759 : x
2. Step 2: Convert to fraction form
   2,058.54/3,085.89 = 759/x
3. Step 3: Cross multiply
   2,058.54x = 3,085.89 × 759
4. Step 4: Simplify right side
   2,058.54x = 2,342,190.51
5. Step 5: Solve for x
   x = 2,342,190.51/2,058.54
6. Step 6: Final answer
   x = 1,137.79