Finding the Fourth Proportional to 21,995.10, 30,329.17 and 16,340.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,995.10 : 30,329.17 = 16,340.34 : x
2. Step 2: Convert to fraction form
   21,995.10/30,329.17 = 16,340.34/x
3. Step 3: Cross multiply
   21,995.10x = 30,329.17 × 16,340.34
4. Step 4: Simplify right side
   21,995.10x = 495,588,949.72
5. Step 5: Solve for x
   x = 495,588,949.72/21,995.10
6. Step 6: Final answer
   x = 22,531.79