Finding the Fourth Proportional to 22,141.05, 30,563.17 and 16,219.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,141.05 : 30,563.17 = 16,219.74 : x
2. Step 2: Convert to fraction form
   22,141.05/30,563.17 = 16,219.74/x
3. Step 3: Cross multiply
   22,141.05x = 30,563.17 × 16,219.74
4. Step 4: Simplify right side
   22,141.05x = 495,726,836.27
5. Step 5: Solve for x
   x = 495,726,836.27/22,141.05
6. Step 6: Final answer
   x = 22,389.49