Finding the Fourth Proportional to 21,599.82, 32,402.43 and 8,450.49

Step by Step Solution

1. Step 1: Write the proportion equation
   21,599.82 : 32,402.43 = 8,450.49 : x
2. Step 2: Convert to fraction form
   21,599.82/32,402.43 = 8,450.49/x
3. Step 3: Cross multiply
   21,599.82x = 32,402.43 × 8,450.49
4. Step 4: Simplify right side
   21,599.82x = 273,816,410.69
5. Step 5: Solve for x
   x = 273,816,410.69/21,599.82
6. Step 6: Final answer
   x = 12,676.79