Finding the Fourth Proportional to 9,760.60, 13,469.69 and 5,284.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.60 : 13,469.69 = 5,284.39 : x
2. Step 2: Convert to fraction form
   9,760.60/13,469.69 = 5,284.39/x
3. Step 3: Cross multiply
   9,760.60x = 13,469.69 × 5,284.39
4. Step 4: Simplify right side
   9,760.60x = 71,179,099.93
5. Step 5: Solve for x
   x = 71,179,099.93/9,760.60
6. Step 6: Final answer
   x = 7,292.49