Finding the Fourth Proportional to 9,760.62, 13,469.72 and 5,284.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.62 : 13,469.72 = 5,284.38 : x
2. Step 2: Convert to fraction form
   9,760.62/13,469.72 = 5,284.38/x
3. Step 3: Cross multiply
   9,760.62x = 13,469.72 × 5,284.38
4. Step 4: Simplify right side
   9,760.62x = 71,179,025.20
5. Step 5: Solve for x
   x = 71,179,025.20/9,760.62
6. Step 6: Final answer
   x = 7,292.47