Finding the Fourth Proportional to 22,329.88, 30,815.63 and 12,259.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,329.88 : 30,815.63 = 12,259.27 : x
2. Step 2: Convert to fraction form
   22,329.88/30,815.63 = 12,259.27/x
3. Step 3: Cross multiply
   22,329.88x = 30,815.63 × 12,259.27
4. Step 4: Simplify right side
   22,329.88x = 377,777,128.39
5. Step 5: Solve for x
   x = 377,777,128.39/22,329.88
6. Step 6: Final answer
   x = 16,918.01