Finding the Fourth Proportional to 9,965.48, 14,949.29 and 3,728.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,965.48 : 14,949.29 = 3,728.48 : x
2. Step 2: Convert to fraction form
   9,965.48/14,949.29 = 3,728.48/x
3. Step 3: Cross multiply
   9,965.48x = 14,949.29 × 3,728.48
4. Step 4: Simplify right side
   9,965.48x = 55,738,128.78
5. Step 5: Solve for x
   x = 55,738,128.78/9,965.48
6. Step 6: Final answer
   x = 5,593.12