Finding the Fourth Proportional to 22,259.38, 30,716.77 and 12,185.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,259.38 : 30,716.77 = 12,185.89 : x
2. Step 2: Convert to fraction form
   22,259.38/30,716.77 = 12,185.89/x
3. Step 3: Cross multiply
   22,259.38x = 30,716.77 × 12,185.89
4. Step 4: Simplify right side
   22,259.38x = 374,311,073.12
5. Step 5: Solve for x
   x = 374,311,073.12/22,259.38
6. Step 6: Final answer
   x = 16,815.88