Finding the Fourth Proportional to 33,620.80, 50,419.43 and 9,922.05

Step by Step Solution

1. Step 1: Write the proportion equation
   33,620.80 : 50,419.43 = 9,922.05 : x
2. Step 2: Convert to fraction form
   33,620.80/50,419.43 = 9,922.05/x
3. Step 3: Cross multiply
   33,620.80x = 50,419.43 × 9,922.05
4. Step 4: Simplify right side
   33,620.80x = 500,264,234.83
5. Step 5: Solve for x
   x = 500,264,234.83/33,620.80
6. Step 6: Final answer
   x = 14,879.61