Finding the Fourth Proportional to 9,336.38, 12,884.04 and 5,087.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,336.38 : 12,884.04 = 5,087.47 : x
2. Step 2: Convert to fraction form
   9,336.38/12,884.04 = 5,087.47/x
3. Step 3: Cross multiply
   9,336.38x = 12,884.04 × 5,087.47
4. Step 4: Simplify right side
   9,336.38x = 65,547,197.70
5. Step 5: Solve for x
   x = 65,547,197.70/9,336.38
6. Step 6: Final answer
   x = 7,020.62