Finding the Fourth Proportional to 16,411.54, 22,647.81 and 8,959.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,411.54 : 22,647.81 = 8,959.54 : x
2. Step 2: Convert to fraction form
   16,411.54/22,647.81 = 8,959.54/x
3. Step 3: Cross multiply
   16,411.54x = 22,647.81 × 8,959.54
4. Step 4: Simplify right side
   16,411.54x = 202,913,959.61
5. Step 5: Solve for x
   x = 202,913,959.61/16,411.54
6. Step 6: Final answer
   x = 12,364.10