Finding the Fourth Proportional to 33,456.79, 50,131.92 and 17,661.25

Step by Step Solution

1. Step 1: Write the proportion equation
   33,456.79 : 50,131.92 = 17,661.25 : x
2. Step 2: Convert to fraction form
   33,456.79/50,131.92 = 17,661.25/x
3. Step 3: Cross multiply
   33,456.79x = 50,131.92 × 17,661.25
4. Step 4: Simplify right side
   33,456.79x = 885,392,121.44
5. Step 5: Solve for x
   x = 885,392,121.44/33,456.79
6. Step 6: Final answer
   x = 26,463.75