Finding the Fourth Proportional to 3,964.96, 5,469.60 and 3,683.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.96 : 5,469.60 = 3,683.53 : x
2. Step 2: Convert to fraction form
   3,964.96/5,469.60 = 3,683.53/x
3. Step 3: Cross multiply
   3,964.96x = 5,469.60 × 3,683.53
4. Step 4: Simplify right side
   3,964.96x = 20,147,435.69
5. Step 5: Solve for x
   x = 20,147,435.69/3,964.96
6. Step 6: Final answer
   x = 5,081.37