Finding the Fourth Proportional to 9,568.28, 13,200.96 and 5,980.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,568.28 : 13,200.96 = 5,980.79 : x
2. Step 2: Convert to fraction form
   9,568.28/13,200.96 = 5,980.79/x
3. Step 3: Cross multiply
   9,568.28x = 13,200.96 × 5,980.79
4. Step 4: Simplify right side
   9,568.28x = 78,952,169.56
5. Step 5: Solve for x
   x = 78,952,169.56/9,568.28
6. Step 6: Final answer
   x = 8,251.45