Finding the Fourth Proportional to 33,520.23, 50,300.37 and 12,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,520.23 : 50,300.37 = 12,456.72 : x
2. Step 2: Convert to fraction form
   33,520.23/50,300.37 = 12,456.72/x
3. Step 3: Cross multiply
   33,520.23x = 50,300.37 × 12,456.72
4. Step 4: Simplify right side
   33,520.23x = 626,577,624.99
5. Step 5: Solve for x
   x = 626,577,624.99/33,520.23
6. Step 6: Final answer
   x = 18,692.52