Finding the Fourth Proportional to 2,058.18, 3,085.12 and 1,016.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.18 : 3,085.12 = 1,016.16 : x
2. Step 2: Convert to fraction form
   2,058.18/3,085.12 = 1,016.16/x
3. Step 3: Cross multiply
   2,058.18x = 3,085.12 × 1,016.16
4. Step 4: Simplify right side
   2,058.18x = 3,134,975.54
5. Step 5: Solve for x
   x = 3,134,975.54/2,058.18
6. Step 6: Final answer
   x = 1,523.18