Finding the Fourth Proportional to 33,710.18, 50,572.47 and 12,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,710.18 : 50,572.47 = 12,933.50 : x
2. Step 2: Convert to fraction form
   33,710.18/50,572.47 = 12,933.50/x
3. Step 3: Cross multiply
   33,710.18x = 50,572.47 × 12,933.50
4. Step 4: Simplify right side
   33,710.18x = 654,079,040.75
5. Step 5: Solve for x
   x = 654,079,040.75/33,710.18
6. Step 6: Final answer
   x = 19,403.01