Finding the Fourth Proportional to 16,780.50, 23,157.59 and 9,226.44

Step by Step Solution

1. Step 1: Write the proportion equation
   16,780.50 : 23,157.59 = 9,226.44 : x
2. Step 2: Convert to fraction form
   16,780.50/23,157.59 = 9,226.44/x
3. Step 3: Cross multiply
   16,780.50x = 23,157.59 × 9,226.44
4. Step 4: Simplify right side
   16,780.50x = 213,662,068.55
5. Step 5: Solve for x
   x = 213,662,068.55/16,780.50
6. Step 6: Final answer
   x = 12,732.76