Finding the Fourth Proportional to 9,644.56, 13,309.32 and 5,452.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,644.56 : 13,309.32 = 5,452.72 : x
2. Step 2: Convert to fraction form
   9,644.56/13,309.32 = 5,452.72/x
3. Step 3: Cross multiply
   9,644.56x = 13,309.32 × 5,452.72
4. Step 4: Simplify right side
   9,644.56x = 72,571,995.35
5. Step 5: Solve for x
   x = 72,571,995.35/9,644.56
6. Step 6: Final answer
   x = 7,524.66