Finding the Fourth Proportional to 16,725.75, 23,081.00 and 9,171.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,725.75 : 23,081.00 = 9,171.89 : x
2. Step 2: Convert to fraction form
   16,725.75/23,081.00 = 9,171.89/x
3. Step 3: Cross multiply
   16,725.75x = 23,081.00 × 9,171.89
4. Step 4: Simplify right side
   16,725.75x = 211,696,231.83
5. Step 5: Solve for x
   x = 211,696,231.83/16,725.75
6. Step 6: Final answer
   x = 12,656.91