Finding the Fourth Proportional to 22,453.72, 33,662.31 and 8,405.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.72 : 33,662.31 = 8,405.88 : x
2. Step 2: Convert to fraction form
   22,453.72/33,662.31 = 8,405.88/x
3. Step 3: Cross multiply
   22,453.72x = 33,662.31 × 8,405.88
4. Step 4: Simplify right side
   22,453.72x = 282,961,338.38
5. Step 5: Solve for x
   x = 282,961,338.38/22,453.72
6. Step 6: Final answer
   x = 12,601.98