Finding the Fourth Proportional to 16,787.37, 23,167.23 and 9,618.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,787.37 : 23,167.23 = 9,618.42 : x
2. Step 2: Convert to fraction form
   16,787.37/23,167.23 = 9,618.42/x
3. Step 3: Cross multiply
   16,787.37x = 23,167.23 × 9,618.42
4. Step 4: Simplify right side
   16,787.37x = 222,832,148.38
5. Step 5: Solve for x
   x = 222,832,148.38/16,787.37
6. Step 6: Final answer
   x = 13,273.80