Finding the Fourth Proportional to 30,338.72, 41,867.34 and 16,909.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,338.72 : 41,867.34 = 16,909.82 : x
2. Step 2: Convert to fraction form
   30,338.72/41,867.34 = 16,909.82/x
3. Step 3: Cross multiply
   30,338.72x = 41,867.34 × 16,909.82
4. Step 4: Simplify right side
   30,338.72x = 707,969,183.28
5. Step 5: Solve for x
   x = 707,969,183.28/30,338.72
6. Step 6: Final answer
   x = 23,335.50