Finding the Fourth Proportional to 9,563.94, 13,198.14 and 5,315.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,563.94 : 13,198.14 = 5,315.76 : x
2. Step 2: Convert to fraction form
   9,563.94/13,198.14 = 5,315.76/x
3. Step 3: Cross multiply
   9,563.94x = 13,198.14 × 5,315.76
4. Step 4: Simplify right side
   9,563.94x = 70,158,144.69
5. Step 5: Solve for x
   x = 70,158,144.69/9,563.94
6. Step 6: Final answer
   x = 7,335.69