Finding the Fourth Proportional to 9,608.37, 13,205.86 and 8,482.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.37 : 13,205.86 = 8,482.47 : x
2. Step 2: Convert to fraction form
   9,608.37/13,205.86 = 8,482.47/x
3. Step 3: Cross multiply
   9,608.37x = 13,205.86 × 8,482.47
4. Step 4: Simplify right side
   9,608.37x = 112,018,311.27
5. Step 5: Solve for x
   x = 112,018,311.27/9,608.37
6. Step 6: Final answer
   x = 11,658.41