Finding the Fourth Proportional to 3,936.50, 5,429.12 and 2,363.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.50 : 5,429.12 = 2,363.48 : x
2. Step 2: Convert to fraction form
   3,936.50/5,429.12 = 2,363.48/x
3. Step 3: Cross multiply
   3,936.50x = 5,429.12 × 2,363.48
4. Step 4: Simplify right side
   3,936.50x = 12,831,616.54
5. Step 5: Solve for x
   x = 12,831,616.54/3,936.50
6. Step 6: Final answer
   x = 3,259.65