Finding the Fourth Proportional to 16,787.82, 23,167.76 and 9,234.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,787.82 : 23,167.76 = 9,234.47 : x
2. Step 2: Convert to fraction form
   16,787.82/23,167.76 = 9,234.47/x
3. Step 3: Cross multiply
   16,787.82x = 23,167.76 × 9,234.47
4. Step 4: Simplify right side
   16,787.82x = 213,941,822.68
5. Step 5: Solve for x
   x = 213,941,822.68/16,787.82
6. Step 6: Final answer
   x = 12,743.87