Finding the Fourth Proportional to 3,969.27, 5,484.18 and 3,136.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.27 : 5,484.18 = 3,136.36 : x
2. Step 2: Convert to fraction form
   3,969.27/5,484.18 = 3,136.36/x
3. Step 3: Cross multiply
   3,969.27x = 5,484.18 × 3,136.36
4. Step 4: Simplify right side
   3,969.27x = 17,200,362.78
5. Step 5: Solve for x
   x = 17,200,362.78/3,969.27
6. Step 6: Final answer
   x = 4,333.38