Finding the Fourth Proportional to 9,616.32, 13,270.50 and 5,424.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,616.32 : 13,270.50 = 5,424.54 : x
2. Step 2: Convert to fraction form
   9,616.32/13,270.50 = 5,424.54/x
3. Step 3: Cross multiply
   9,616.32x = 13,270.50 × 5,424.54
4. Step 4: Simplify right side
   9,616.32x = 71,986,358.07
5. Step 5: Solve for x
   x = 71,986,358.07/9,616.32
6. Step 6: Final answer
   x = 7,485.85