Finding the Fourth Proportional to 16,834.42, 25,225.98 and 8,491.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,834.42 : 25,225.98 = 8,491.15 : x
2. Step 2: Convert to fraction form
   16,834.42/25,225.98 = 8,491.15/x
3. Step 3: Cross multiply
   16,834.42x = 25,225.98 × 8,491.15
4. Step 4: Simplify right side
   16,834.42x = 214,197,580.08
5. Step 5: Solve for x
   x = 214,197,580.08/16,834.42
6. Step 6: Final answer
   x = 12,723.79