Finding the Fourth Proportional to 3,969.77, 5,949.18 and 3,448.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,969.77 : 5,949.18 = 3,448.53 : x
2. Step 2: Convert to fraction form
   3,969.77/5,949.18 = 3,448.53/x
3. Step 3: Cross multiply
   3,969.77x = 5,949.18 × 3,448.53
4. Step 4: Simplify right side
   3,969.77x = 20,515,925.71
5. Step 5: Solve for x
   x = 20,515,925.71/3,969.77
6. Step 6: Final answer
   x = 5,168.05