Finding the Fourth Proportional to 22,616.01, 31,234.01 and 20,142.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,616.01 : 31,234.01 = 20,142.27 : x
2. Step 2: Convert to fraction form
   22,616.01/31,234.01 = 20,142.27/x
3. Step 3: Cross multiply
   22,616.01x = 31,234.01 × 20,142.27
4. Step 4: Simplify right side
   22,616.01x = 629,123,761.89
5. Step 5: Solve for x
   x = 629,123,761.89/22,616.01
6. Step 6: Final answer
   x = 27,817.63