Finding the Fourth Proportional to 22,165.50, 30,588.39 and 12,229.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,165.50 : 30,588.39 = 12,229.50 : x
2. Step 2: Convert to fraction form
   22,165.50/30,588.39 = 12,229.50/x
3. Step 3: Cross multiply
   22,165.50x = 30,588.39 × 12,229.50
4. Step 4: Simplify right side
   22,165.50x = 374,080,715.51
5. Step 5: Solve for x
   x = 374,080,715.51/22,165.50
6. Step 6: Final answer
   x = 16,876.71