Finding the Fourth Proportional to 22,042.84, 30,411.72 and 12,481.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,042.84 : 30,411.72 = 12,481.42 : x
2. Step 2: Convert to fraction form
   22,042.84/30,411.72 = 12,481.42/x
3. Step 3: Cross multiply
   22,042.84x = 30,411.72 × 12,481.42
4. Step 4: Simplify right side
   22,042.84x = 379,581,450.24
5. Step 5: Solve for x
   x = 379,581,450.24/22,042.84
6. Step 6: Final answer
   x = 17,220.17