Finding the Fourth Proportional to 16,780.68, 23,157.94 and 9,227.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,780.68 : 23,157.94 = 9,227.59 : x
2. Step 2: Convert to fraction form
   16,780.68/23,157.94 = 9,227.59/x
3. Step 3: Cross multiply
   16,780.68x = 23,157.94 × 9,227.59
4. Step 4: Simplify right side
   16,780.68x = 213,691,975.56
5. Step 5: Solve for x
   x = 213,691,975.56/16,780.68
6. Step 6: Final answer
   x = 12,734.41