Finding the Fourth Proportional to 16,402.34, 24,610.72 and 8,609.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402.34 : 24,610.72 = 8,609.34 : x
2. Step 2: Convert to fraction form
   16,402.34/24,610.72 = 8,609.34/x
3. Step 3: Cross multiply
   16,402.34x = 24,610.72 × 8,609.34
4. Step 4: Simplify right side
   16,402.34x = 211,882,056.12
5. Step 5: Solve for x
   x = 211,882,056.12/16,402.34
6. Step 6: Final answer
   x = 12,917.79