Finding the Fourth Proportional to 22,049.89, 30,431.51 and 12,618.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,049.89 : 30,431.51 = 12,618.25 : x
2. Step 2: Convert to fraction form
   22,049.89/30,431.51 = 12,618.25/x
3. Step 3: Cross multiply
   22,049.89x = 30,431.51 × 12,618.25
4. Step 4: Simplify right side
   22,049.89x = 383,992,401.06
5. Step 5: Solve for x
   x = 383,992,401.06/22,049.89
6. Step 6: Final answer
   x = 17,414.71