Finding the Fourth Proportional to 22,665.72, 33,925.82 and 12,109.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,665.72 : 33,925.82 = 12,109.36 : x
2. Step 2: Convert to fraction form
   22,665.72/33,925.82 = 12,109.36/x
3. Step 3: Cross multiply
   22,665.72x = 33,925.82 × 12,109.36
4. Step 4: Simplify right side
   22,665.72x = 410,819,967.68
5. Step 5: Solve for x
   x = 410,819,967.68/22,665.72
6. Step 6: Final answer
   x = 18,125.17