Finding the Fourth Proportional to 9,335.39, 12,882.56 and 5,086.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,335.39 : 12,882.56 = 5,086.33 : x
2. Step 2: Convert to fraction form
   9,335.39/12,882.56 = 5,086.33/x
3. Step 3: Cross multiply
   9,335.39x = 12,882.56 × 5,086.33
4. Step 4: Simplify right side
   9,335.39x = 65,524,951.40
5. Step 5: Solve for x
   x = 65,524,951.40/9,335.39
6. Step 6: Final answer
   x = 7,018.98