Finding the Fourth Proportional to 16,623.73, 24,942.89 and 7,856.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,623.73 : 24,942.89 = 7,856.29 : x
2. Step 2: Convert to fraction form
   16,623.73/24,942.89 = 7,856.29/x
3. Step 3: Cross multiply
   16,623.73x = 24,942.89 × 7,856.29
4. Step 4: Simplify right side
   16,623.73x = 195,958,577.28
5. Step 5: Solve for x
   x = 195,958,577.28/16,623.73
6. Step 6: Final answer
   x = 11,787.88