Finding the Fourth Proportional to 22,440.48, 30,968.08 and 12,369.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,440.48 : 30,968.08 = 12,369.12 : x
2. Step 2: Convert to fraction form
   22,440.48/30,968.08 = 12,369.12/x
3. Step 3: Cross multiply
   22,440.48x = 30,968.08 × 12,369.12
4. Step 4: Simplify right side
   22,440.48x = 383,047,897.69
5. Step 5: Solve for x
   x = 383,047,897.69/22,440.48
6. Step 6: Final answer
   x = 17,069.51