Finding the Fourth Proportional to 16,732.98, 23,078.61 and 12,255.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,732.98 : 23,078.61 = 12,255.12 : x
2. Step 2: Convert to fraction form
   16,732.98/23,078.61 = 12,255.12/x
3. Step 3: Cross multiply
   16,732.98x = 23,078.61 × 12,255.12
4. Step 4: Simplify right side
   16,732.98x = 282,831,134.98
5. Step 5: Solve for x
   x = 282,831,134.98/16,732.98
6. Step 6: Final answer
   x = 16,902.62