Finding the Fourth Proportional to 22,259.37, 30,716.78 and 12,185.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,259.37 : 30,716.78 = 12,185.88 : x
2. Step 2: Convert to fraction form
   22,259.37/30,716.78 = 12,185.88/x
3. Step 3: Cross multiply
   22,259.37x = 30,716.78 × 12,185.88
4. Step 4: Simplify right side
   22,259.37x = 374,310,934.14
5. Step 5: Solve for x
   x = 374,310,934.14/22,259.37
6. Step 6: Final answer
   x = 16,815.88