Finding the Fourth Proportional to 10,776.18, 16,149.53 and 8,141.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,776.18 : 16,149.53 = 8,141.52 : x
2. Step 2: Convert to fraction form
   10,776.18/16,149.53 = 8,141.52/x
3. Step 3: Cross multiply
   10,776.18x = 16,149.53 × 8,141.52
4. Step 4: Simplify right side
   10,776.18x = 131,481,680.78
5. Step 5: Solve for x
   x = 131,481,680.78/10,776.18
6. Step 6: Final answer
   x = 12,201.14