Finding the Fourth Proportional to 16,711.50, 23,062.14 and 9,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,711.50 : 23,062.14 = 9,259.50 : x
2. Step 2: Convert to fraction form
   16,711.50/23,062.14 = 9,259.50/x
3. Step 3: Cross multiply
   16,711.50x = 23,062.14 × 9,259.50
4. Step 4: Simplify right side
   16,711.50x = 213,543,885.33
5. Step 5: Solve for x
   x = 213,543,885.33/16,711.50
6. Step 6: Final answer
   x = 12,778.26