Finding the Fourth Proportional to 16,725.53, 23,081.22 and 9,171.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,725.53 : 23,081.22 = 9,171.98 : x
2. Step 2: Convert to fraction form
   16,725.53/23,081.22 = 9,171.98/x
3. Step 3: Cross multiply
   16,725.53x = 23,081.22 × 9,171.98
4. Step 4: Simplify right side
   16,725.53x = 211,700,545.92
5. Step 5: Solve for x
   x = 211,700,545.92/16,725.53
6. Step 6: Final answer
   x = 12,657.33