Finding the Fourth Proportional to 16,810.72, 25,231.64 and 8,496.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,810.72 : 25,231.64 = 8,496.60 : x
2. Step 2: Convert to fraction form
   16,810.72/25,231.64 = 8,496.60/x
3. Step 3: Cross multiply
   16,810.72x = 25,231.64 × 8,496.60
4. Step 4: Simplify right side
   16,810.72x = 214,383,152.42
5. Step 5: Solve for x
   x = 214,383,152.42/16,810.72
6. Step 6: Final answer
   x = 12,752.76