Finding the Fourth Proportional to 22,448.48, 33,672.89 and 9,965.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,448.48 : 33,672.89 = 9,965.15 : x
2. Step 2: Convert to fraction form
   22,448.48/33,672.89 = 9,965.15/x
3. Step 3: Cross multiply
   22,448.48x = 33,672.89 × 9,965.15
4. Step 4: Simplify right side
   22,448.48x = 335,555,399.78
5. Step 5: Solve for x
   x = 335,555,399.78/22,448.48
6. Step 6: Final answer
   x = 14,947.80