Finding the Fourth Proportional to 30,940.73, 42,698.98 and 16,793.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,940.73 : 42,698.98 = 16,793.54 : x
2. Step 2: Convert to fraction form
   30,940.73/42,698.98 = 16,793.54/x
3. Step 3: Cross multiply
   30,940.73x = 42,698.98 × 16,793.54
4. Step 4: Simplify right side
   30,940.73x = 717,067,028.59
5. Step 5: Solve for x
   x = 717,067,028.59/30,940.73
6. Step 6: Final answer
   x = 23,175.50