Finding the Fourth Proportional to 22,337.82, 30,826.91 and 12,906.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,337.82 : 30,826.91 = 12,906.38 : x
2. Step 2: Convert to fraction form
   22,337.82/30,826.91 = 12,906.38/x
3. Step 3: Cross multiply
   22,337.82x = 30,826.91 × 12,906.38
4. Step 4: Simplify right side
   22,337.82x = 397,863,814.69
5. Step 5: Solve for x
   x = 397,863,814.69/22,337.82
6. Step 6: Final answer
   x = 17,811.22