Finding the Fourth Proportional to 22,472.70, 31,012.41 and 12,401.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,472.70 : 31,012.41 = 12,401.43 : x
2. Step 2: Convert to fraction form
   22,472.70/31,012.41 = 12,401.43/x
3. Step 3: Cross multiply
   22,472.70x = 31,012.41 × 12,401.43
4. Step 4: Simplify right side
   22,472.70x = 384,598,249.18
5. Step 5: Solve for x
   x = 384,598,249.18/22,472.70
6. Step 6: Final answer
   x = 17,114.02