Finding the Fourth Proportional to 33,665.38, 50,512.64 and 18,064.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,665.38 : 50,512.64 = 18,064.78 : x
2. Step 2: Convert to fraction form
   33,665.38/50,512.64 = 18,064.78/x
3. Step 3: Cross multiply
   33,665.38x = 50,512.64 × 18,064.78
4. Step 4: Simplify right side
   33,665.38x = 912,499,728.82
5. Step 5: Solve for x
   x = 912,499,728.82/33,665.38
6. Step 6: Final answer
   x = 27,104.99