Finding the Fourth Proportional to 3,683.67, 5,524.56 and 1,086

Step by Step Solution

1. Step 1: Write the proportion equation
   3,683.67 : 5,524.56 = 1,086 : x
2. Step 2: Convert to fraction form
   3,683.67/5,524.56 = 1,086/x
3. Step 3: Cross multiply
   3,683.67x = 5,524.56 × 1,086
4. Step 4: Simplify right side
   3,683.67x = 5,999,672.16
5. Step 5: Solve for x
   x = 5,999,672.16/3,683.67
6. Step 6: Final answer
   x = 1,628.72