Finding the Fourth Proportional to 22,280.50, 30,747.09 and 12,344.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,280.50 : 30,747.09 = 12,344.50 : x
2. Step 2: Convert to fraction form
   22,280.50/30,747.09 = 12,344.50/x
3. Step 3: Cross multiply
   22,280.50x = 30,747.09 × 12,344.50
4. Step 4: Simplify right side
   22,280.50x = 379,557,452.51
5. Step 5: Solve for x
   x = 379,557,452.51/22,280.50
6. Step 6: Final answer
   x = 17,035.41