Finding the Fourth Proportional to 30,940.51, 42,697.91 and 16,793.35

Step by Step Solution

1. Step 1: Write the proportion equation
   30,940.51 : 42,697.91 = 16,793.35 : x
2. Step 2: Convert to fraction form
   30,940.51/42,697.91 = 16,793.35/x
3. Step 3: Cross multiply
   30,940.51x = 42,697.91 × 16,793.35
4. Step 4: Simplify right side
   30,940.51x = 717,040,946.90
5. Step 5: Solve for x
   x = 717,040,946.90/30,940.51
6. Step 6: Final answer
   x = 23,174.83