Finding the Fourth Proportional to 12,735.48, 19,104.54 and 3,968.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,735.48 : 19,104.54 = 3,968.04 : x
2. Step 2: Convert to fraction form
   12,735.48/19,104.54 = 3,968.04/x
3. Step 3: Cross multiply
   12,735.48x = 19,104.54 × 3,968.04
4. Step 4: Simplify right side
   12,735.48x = 75,807,578.90
5. Step 5: Solve for x
   x = 75,807,578.90/12,735.48
6. Step 6: Final answer
   x = 5,952.47