Finding the Fourth Proportional to 10,729.82, 16,072.59 and 7,959.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,729.82 : 16,072.59 = 7,959.62 : x
2. Step 2: Convert to fraction form
   10,729.82/16,072.59 = 7,959.62/x
3. Step 3: Cross multiply
   10,729.82x = 16,072.59 × 7,959.62
4. Step 4: Simplify right side
   10,729.82x = 127,931,708.82
5. Step 5: Solve for x
   x = 127,931,708.82/10,729.82
6. Step 6: Final answer
   x = 11,923.01