Finding the Fourth Proportional to 22,284.72, 30,753.28 and 12,212.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,284.72 : 30,753.28 = 12,212.96 : x
2. Step 2: Convert to fraction form
   22,284.72/30,753.28 = 12,212.96/x
3. Step 3: Cross multiply
   22,284.72x = 30,753.28 × 12,212.96
4. Step 4: Simplify right side
   22,284.72x = 375,588,578.51
5. Step 5: Solve for x
   x = 375,588,578.51/22,284.72
6. Step 6: Final answer
   x = 16,854.09