Finding the Fourth Proportional to 21,606.50, 32,397.39 and 8,451.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,606.50 : 32,397.39 = 8,451.69 : x
2. Step 2: Convert to fraction form
   21,606.50/32,397.39 = 8,451.69/x
3. Step 3: Cross multiply
   21,606.50x = 32,397.39 × 8,451.69
4. Step 4: Simplify right side
   21,606.50x = 273,812,697.09
5. Step 5: Solve for x
   x = 273,812,697.09/21,606.50
6. Step 6: Final answer
   x = 12,672.70