Finding the Fourth Proportional to 16,708.50, 23,057.73 and 9,257.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,708.50 : 23,057.73 = 9,257.94 : x
2. Step 2: Convert to fraction form
   16,708.50/23,057.73 = 9,257.94/x
3. Step 3: Cross multiply
   16,708.50x = 23,057.73 × 9,257.94
4. Step 4: Simplify right side
   16,708.50x = 213,467,080.88
5. Step 5: Solve for x
   x = 213,467,080.88/16,708.50
6. Step 6: Final answer
   x = 12,775.96