Finding the Fourth Proportional to 33,711.62, 50,573.94 and 12,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,711.62 : 50,573.94 = 12,933.50 : x
2. Step 2: Convert to fraction form
   33,711.62/50,573.94 = 12,933.50/x
3. Step 3: Cross multiply
   33,711.62x = 50,573.94 × 12,933.50
4. Step 4: Simplify right side
   33,711.62x = 654,098,052.99
5. Step 5: Solve for x
   x = 654,098,052.99/33,711.62
6. Step 6: Final answer
   x = 19,402.75