Finding the Fourth Proportional to 3,683.27, 5,525.82 and 1,086.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.27 : 5,525.82 = 1,086.21 : x
2. Step 2: Convert to fraction form
   3,683.27/5,525.82 = 1,086.21/x
3. Step 3: Cross multiply
   3,683.27x = 5,525.82 × 1,086.21
4. Step 4: Simplify right side
   3,683.27x = 6,002,200.94
5. Step 5: Solve for x
   x = 6,002,200.94/3,683.27
6. Step 6: Final answer
   x = 1,629.58