Finding the Fourth Proportional to 9,936.50, 13,712.37 and 5,745.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,936.50 : 13,712.37 = 5,745.02 : x
2. Step 2: Convert to fraction form
   9,936.50/13,712.37 = 5,745.02/x
3. Step 3: Cross multiply
   9,936.50x = 13,712.37 × 5,745.02
4. Step 4: Simplify right side
   9,936.50x = 78,777,839.90
5. Step 5: Solve for x
   x = 78,777,839.90/9,936.50
6. Step 6: Final answer
   x = 7,928.13