Finding the Fourth Proportional to 30,942.05, 42,700.24 and 16,794.89

Step by Step Solution

1. Step 1: Write the proportion equation
   30,942.05 : 42,700.24 = 16,794.89 : x
2. Step 2: Convert to fraction form
   30,942.05/42,700.24 = 16,794.89/x
3. Step 3: Cross multiply
   30,942.05x = 42,700.24 × 16,794.89
4. Step 4: Simplify right side
   30,942.05x = 717,145,578.29
5. Step 5: Solve for x
   x = 717,145,578.29/30,942.05
6. Step 6: Final answer
   x = 23,177.06