Finding the Fourth Proportional to 21,606.89, 32,410.31 and 8,450.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,606.89 : 32,410.31 = 8,450.01 : x
2. Step 2: Convert to fraction form
   21,606.89/32,410.31 = 8,450.01/x
3. Step 3: Cross multiply
   21,606.89x = 32,410.31 × 8,450.01
4. Step 4: Simplify right side
   21,606.89x = 273,867,401.35
5. Step 5: Solve for x
   x = 273,867,401.35/21,606.89
6. Step 6: Final answer
   x = 12,675.01