Finding the Fourth Proportional to 22,267.68, 30,729.86 and 12,196.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,267.68 : 30,729.86 = 12,196.54 : x
2. Step 2: Convert to fraction form
   22,267.68/30,729.86 = 12,196.54/x
3. Step 3: Cross multiply
   22,267.68x = 30,729.86 × 12,196.54
4. Step 4: Simplify right side
   22,267.68x = 374,797,966.68
5. Step 5: Solve for x
   x = 374,797,966.68/22,267.68
6. Step 6: Final answer
   x = 16,831.48