Finding the Fourth Proportional to 22,268.36, 30,729.98 and 12,196.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,268.36 : 30,729.98 = 12,196.74 : x
2. Step 2: Convert to fraction form
   22,268.36/30,729.98 = 12,196.74/x
3. Step 3: Cross multiply
   22,268.36x = 30,729.98 × 12,196.74
4. Step 4: Simplify right side
   22,268.36x = 374,805,576.27
5. Step 5: Solve for x
   x = 374,805,576.27/22,268.36
6. Step 6: Final answer
   x = 16,831.31