Finding the Fourth Proportional to 9,965.97, 14,939.37 and 3,724.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,965.97 : 14,939.37 = 3,724.25 : x
2. Step 2: Convert to fraction form
   9,965.97/14,939.37 = 3,724.25/x
3. Step 3: Cross multiply
   9,965.97x = 14,939.37 × 3,724.25
4. Step 4: Simplify right side
   9,965.97x = 55,637,874.03
5. Step 5: Solve for x
   x = 55,637,874.03/9,965.97
6. Step 6: Final answer
   x = 5,582.79