Finding the Fourth Proportional to 9,336.41, 12,884.57 and 5,087.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,336.41 : 12,884.57 = 5,087.82 : x
2. Step 2: Convert to fraction form
   9,336.41/12,884.57 = 5,087.82/x
3. Step 3: Cross multiply
   9,336.41x = 12,884.57 × 5,087.82
4. Step 4: Simplify right side
   9,336.41x = 65,554,350.47
5. Step 5: Solve for x
   x = 65,554,350.47/9,336.41
6. Step 6: Final answer
   x = 7,021.37