Finding the Fourth Proportional to 3,550.06, 5,325.57 and 1,085.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,550.06 : 5,325.57 = 1,085.05 : x
2. Step 2: Convert to fraction form
   3,550.06/5,325.57 = 1,085.05/x
3. Step 3: Cross multiply
   3,550.06x = 5,325.57 × 1,085.05
4. Step 4: Simplify right side
   3,550.06x = 5,778,509.73
5. Step 5: Solve for x
   x = 5,778,509.73/3,550.06
6. Step 6: Final answer
   x = 1,627.72