Finding the Fourth Proportional to 9,559.28, 13,191.36 and 5,367.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559.28 : 13,191.36 = 5,367.92 : x
2. Step 2: Convert to fraction form
   9,559.28/13,191.36 = 5,367.92/x
3. Step 3: Cross multiply
   9,559.28x = 13,191.36 × 5,367.92
4. Step 4: Simplify right side
   9,559.28x = 70,810,165.17
5. Step 5: Solve for x
   x = 70,810,165.17/9,559.28
6. Step 6: Final answer
   x = 7,407.48