Finding the Fourth Proportional to 22,180.50, 30,609.36 and 12,244.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,180.50 : 30,609.36 = 12,244.50 : x
2. Step 2: Convert to fraction form
   22,180.50/30,609.36 = 12,244.50/x
3. Step 3: Cross multiply
   22,180.50x = 30,609.36 × 12,244.50
4. Step 4: Simplify right side
   22,180.50x = 374,796,308.52
5. Step 5: Solve for x
   x = 374,796,308.52/22,180.50
6. Step 6: Final answer
   x = 16,897.56