Finding the Fourth Proportional to 3,936.72, 5,908.32 and 1,629.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.72 : 5,908.32 = 1,629.84 : x
2. Step 2: Convert to fraction form
   3,936.72/5,908.32 = 1,629.84/x
3. Step 3: Cross multiply
   3,936.72x = 5,908.32 × 1,629.84
4. Step 4: Simplify right side
   3,936.72x = 9,629,616.27
5. Step 5: Solve for x
   x = 9,629,616.27/3,936.72
6. Step 6: Final answer
   x = 2,446.10