Finding the Fourth Proportional to 3,550.25, 5,325.38 and 1,085.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,550.25 : 5,325.38 = 1,085.06 : x
2. Step 2: Convert to fraction form
   3,550.25/5,325.38 = 1,085.06/x
3. Step 3: Cross multiply
   3,550.25x = 5,325.38 × 1,085.06
4. Step 4: Simplify right side
   3,550.25x = 5,778,334.39
5. Step 5: Solve for x
   x = 5,778,334.39/3,550.25
6. Step 6: Final answer
   x = 1,627.59