Finding the Fourth Proportional to 30,068.24, 41,494.25 and 16,640.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,068.24 : 41,494.25 = 16,640.42 : x
2. Step 2: Convert to fraction form
   30,068.24/41,494.25 = 16,640.42/x
3. Step 3: Cross multiply
   30,068.24x = 41,494.25 × 16,640.42
4. Step 4: Simplify right side
   30,068.24x = 690,481,456.91
5. Step 5: Solve for x
   x = 690,481,456.91/30,068.24
6. Step 6: Final answer
   x = 22,963.82