Finding the Fourth Proportional to 16,708.56, 23,057.82 and 9,256.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,708.56 : 23,057.82 = 9,256.56 : x
2. Step 2: Convert to fraction form
   16,708.56/23,057.82 = 9,256.56/x
3. Step 3: Cross multiply
   16,708.56x = 23,057.82 × 9,256.56
4. Step 4: Simplify right side
   16,708.56x = 213,436,094.30
5. Step 5: Solve for x
   x = 213,436,094.30/16,708.56
6. Step 6: Final answer
   x = 12,774.06