Finding the Fourth Proportional to 9,601.78, 14,404.35 and 4,408.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,601.78 : 14,404.35 = 4,408.18 : x
2. Step 2: Convert to fraction form
   9,601.78/14,404.35 = 4,408.18/x
3. Step 3: Cross multiply
   9,601.78x = 14,404.35 × 4,408.18
4. Step 4: Simplify right side
   9,601.78x = 63,496,967.58
5. Step 5: Solve for x
   x = 63,496,967.58/9,601.78
6. Step 6: Final answer
   x = 6,613.04