Finding the Fourth Proportional to 9,648.32, 13,315.04 and 5,456.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648.32 : 13,315.04 = 5,456.32 : x
2. Step 2: Convert to fraction form
   9,648.32/13,315.04 = 5,456.32/x
3. Step 3: Cross multiply
   9,648.32x = 13,315.04 × 5,456.32
4. Step 4: Simplify right side
   9,648.32x = 72,651,119.05
5. Step 5: Solve for x
   x = 72,651,119.05/9,648.32
6. Step 6: Final answer
   x = 7,529.92