Finding the Fourth Proportional to 16,640.55, 22,967.82 and 10,976.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,640.55 : 22,967.82 = 10,976.31 : x
2. Step 2: Convert to fraction form
   16,640.55/22,967.82 = 10,976.31/x
3. Step 3: Cross multiply
   16,640.55x = 22,967.82 × 10,976.31
4. Step 4: Simplify right side
   16,640.55x = 252,101,912.34
5. Step 5: Solve for x
   x = 252,101,912.34/16,640.55
6. Step 6: Final answer
   x = 15,149.85