Finding the Fourth Proportional to 22,196.92, 30,632.66 and 12,765.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.92 : 30,632.66 = 12,765.48 : x
2. Step 2: Convert to fraction form
   22,196.92/30,632.66 = 12,765.48/x
3. Step 3: Cross multiply
   22,196.92x = 30,632.66 × 12,765.48
4. Step 4: Simplify right side
   22,196.92x = 391,040,608.58
5. Step 5: Solve for x
   x = 391,040,608.58/22,196.92
6. Step 6: Final answer
   x = 17,616.89