Finding the Fourth Proportional to 22,906.37, 34,353.15 and 8,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,906.37 : 34,353.15 = 8,111.31 : x
2. Step 2: Convert to fraction form
   22,906.37/34,353.15 = 8,111.31/x
3. Step 3: Cross multiply
   22,906.37x = 34,353.15 × 8,111.31
4. Step 4: Simplify right side
   22,906.37x = 278,649,049.13
5. Step 5: Solve for x
   x = 278,649,049.13/22,906.37
6. Step 6: Final answer
   x = 12,164.70