Finding the Fourth Proportional to 11,945.10, 16,498.13 and 7,959.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.10 : 16,498.13 = 7,959.27 : x
2. Step 2: Convert to fraction form
   11,945.10/16,498.13 = 7,959.27/x
3. Step 3: Cross multiply
   11,945.10x = 16,498.13 × 7,959.27
4. Step 4: Simplify right side
   11,945.10x = 131,313,031.37
5. Step 5: Solve for x
   x = 131,313,031.37/11,945.10
6. Step 6: Final answer
   x = 10,993.05