Finding the Fourth Proportional to 9,600.30, 13,248.18 and 5,408.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,600.30 : 13,248.18 = 5,408.55 : x
2. Step 2: Convert to fraction form
   9,600.30/13,248.18 = 5,408.55/x
3. Step 3: Cross multiply
   9,600.30x = 13,248.18 × 5,408.55
4. Step 4: Simplify right side
   9,600.30x = 71,653,443.94
5. Step 5: Solve for x
   x = 71,653,443.94/9,600.30
6. Step 6: Final answer
   x = 7,463.67