Finding the Fourth Proportional to 9,664.08, 13,336.56 and 5,472.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,664.08 : 13,336.56 = 5,472.24 : x
2. Step 2: Convert to fraction form
   9,664.08/13,336.56 = 5,472.24/x
3. Step 3: Cross multiply
   9,664.08x = 13,336.56 × 5,472.24
4. Step 4: Simplify right side
   9,664.08x = 72,980,857.09
5. Step 5: Solve for x
   x = 72,980,857.09/9,664.08
6. Step 6: Final answer
   x = 7,551.76