Finding the Fourth Proportional to 2,058.51, 3,085.42 and 825.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.51 : 3,085.42 = 825.29 : x
2. Step 2: Convert to fraction form
   2,058.51/3,085.42 = 825.29/x
3. Step 3: Cross multiply
   2,058.51x = 3,085.42 × 825.29
4. Step 4: Simplify right side
   2,058.51x = 2,546,359.58
5. Step 5: Solve for x
   x = 2,546,359.58/2,058.51
6. Step 6: Final answer
   x = 1,236.99