Finding the Fourth Proportional to 22,308.72, 30,786.02 and 12,237.23

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.72 : 30,786.02 = 12,237.23 : x
2. Step 2: Convert to fraction form
   22,308.72/30,786.02 = 12,237.23/x
3. Step 3: Cross multiply
   22,308.72x = 30,786.02 × 12,237.23
4. Step 4: Simplify right side
   22,308.72x = 376,735,564.86
5. Step 5: Solve for x
   x = 376,735,564.86/22,308.72
6. Step 6: Final answer
   x = 16,887.37