Finding the Fourth Proportional to 9,280.69, 12,806.82 and 5,504.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.69 : 12,806.82 = 5,504.23 : x
2. Step 2: Convert to fraction form
   9,280.69/12,806.82 = 5,504.23/x
3. Step 3: Cross multiply
   9,280.69x = 12,806.82 × 5,504.23
4. Step 4: Simplify right side
   9,280.69x = 70,491,682.85
5. Step 5: Solve for x
   x = 70,491,682.85/9,280.69
6. Step 6: Final answer
   x = 7,595.52