Finding the Fourth Proportional to 22,494.72, 31,042.95 and 12,423.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,494.72 : 31,042.95 = 12,423.41 : x
2. Step 2: Convert to fraction form
   22,494.72/31,042.95 = 12,423.41/x
3. Step 3: Cross multiply
   22,494.72x = 31,042.95 × 12,423.41
4. Step 4: Simplify right side
   22,494.72x = 385,659,233.34
5. Step 5: Solve for x
   x = 385,659,233.34/22,494.72
6. Step 6: Final answer
   x = 17,144.43