Finding the Fourth Proportional to 9,563.28, 13,198.56 and 5,371.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,563.28 : 13,198.56 = 5,371.56 : x
2. Step 2: Convert to fraction form
   9,563.28/13,198.56 = 5,371.56/x
3. Step 3: Cross multiply
   9,563.28x = 13,198.56 × 5,371.56
4. Step 4: Simplify right side
   9,563.28x = 70,896,856.95
5. Step 5: Solve for x
   x = 70,896,856.95/9,563.28
6. Step 6: Final answer
   x = 7,413.45