Finding the Fourth Proportional to 9,648.41, 13,315.05 and 5,399.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648.41 : 13,315.05 = 5,399.33 : x
2. Step 2: Convert to fraction form
   9,648.41/13,315.05 = 5,399.33/x
3. Step 3: Cross multiply
   9,648.41x = 13,315.05 × 5,399.33
4. Step 4: Simplify right side
   9,648.41x = 71,892,282.34
5. Step 5: Solve for x
   x = 71,892,282.34/9,648.41
6. Step 6: Final answer
   x = 7,451.21