Finding the Fourth Proportional to 22,401.54, 30,913.88 and 12,329.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,401.54 : 30,913.88 = 12,329.76 : x
2. Step 2: Convert to fraction form
   22,401.54/30,913.88 = 12,329.76/x
3. Step 3: Cross multiply
   22,401.54x = 30,913.88 × 12,329.76
4. Step 4: Simplify right side
   22,401.54x = 381,160,721.07
5. Step 5: Solve for x
   x = 381,160,721.07/22,401.54
6. Step 6: Final answer
   x = 17,014.93