Finding the Fourth Proportional to 22,440.79, 30,968.12 and 12,369.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,440.79 : 30,968.12 = 12,369.25 : x
2. Step 2: Convert to fraction form
   22,440.79/30,968.12 = 12,369.25/x
3. Step 3: Cross multiply
   22,440.79x = 30,968.12 × 12,369.25
4. Step 4: Simplify right side
   22,440.79x = 383,052,418.31
5. Step 5: Solve for x
   x = 383,052,418.31/22,440.79
6. Step 6: Final answer
   x = 17,069.47