Finding the Fourth Proportional to 3,551.82, 5,328.24 and 1,086.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551.82 : 5,328.24 = 1,086.27 : x
2. Step 2: Convert to fraction form
   3,551.82/5,328.24 = 1,086.27/x
3. Step 3: Cross multiply
   3,551.82x = 5,328.24 × 1,086.27
4. Step 4: Simplify right side
   3,551.82x = 5,787,907.26
5. Step 5: Solve for x
   x = 5,787,907.26/3,551.82
6. Step 6: Final answer
   x = 1,629.56