Finding the Fourth Proportional to 22,665.78, 33,998.64 and 8,622.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,665.78 : 33,998.64 = 8,622.56 : x
2. Step 2: Convert to fraction form
   22,665.78/33,998.64 = 8,622.56/x
3. Step 3: Cross multiply
   22,665.78x = 33,998.64 × 8,622.56
4. Step 4: Simplify right side
   22,665.78x = 293,155,313.32
5. Step 5: Solve for x
   x = 293,155,313.32/22,665.78
6. Step 6: Final answer
   x = 12,933.83