Finding the Fourth Proportional to 11,896.72, 17,851.16 and 7,950.64

Step by Step Solution

1. Step 1: Write the proportion equation
   11,896.72 : 17,851.16 = 7,950.64 : x
2. Step 2: Convert to fraction form
   11,896.72/17,851.16 = 7,950.64/x
3. Step 3: Cross multiply
   11,896.72x = 17,851.16 × 7,950.64
4. Step 4: Simplify right side
   11,896.72x = 141,928,146.74
5. Step 5: Solve for x
   x = 141,928,146.74/11,896.72
6. Step 6: Final answer
   x = 11,930.02