Finding the Fourth Proportional to 9,298.24, 12,830.88 and 5,571.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,298.24 : 12,830.88 = 5,571.52 : x
2. Step 2: Convert to fraction form
   9,298.24/12,830.88 = 5,571.52/x
3. Step 3: Cross multiply
   9,298.24x = 12,830.88 × 5,571.52
4. Step 4: Simplify right side
   9,298.24x = 71,487,504.54
5. Step 5: Solve for x
   x = 71,487,504.54/9,298.24
6. Step 6: Final answer
   x = 7,688.28