Finding the Fourth Proportional to 9,760.75, 13,469.83 and 5,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.75 : 13,469.83 = 5,284.50 : x
2. Step 2: Convert to fraction form
   9,760.75/13,469.83 = 5,284.50/x
3. Step 3: Cross multiply
   9,760.75x = 13,469.83 × 5,284.50
4. Step 4: Simplify right side
   9,760.75x = 71,181,222.86
5. Step 5: Solve for x
   x = 71,181,222.86/9,760.75
6. Step 6: Final answer
   x = 7,292.60