Finding the Fourth Proportional to 2,058.24, 3,092.88 and 1,085.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.24 : 3,092.88 = 1,085.04 : x
2. Step 2: Convert to fraction form
   2,058.24/3,092.88 = 1,085.04/x
3. Step 3: Cross multiply
   2,058.24x = 3,092.88 × 1,085.04
4. Step 4: Simplify right side
   2,058.24x = 3,355,898.52
5. Step 5: Solve for x
   x = 3,355,898.52/2,058.24
6. Step 6: Final answer
   x = 1,630.47