Finding the Fourth Proportional to 8,441.12, 12,665.46 and 3,511.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,441.12 : 12,665.46 = 3,511.82 : x
2. Step 2: Convert to fraction form
   8,441.12/12,665.46 = 3,511.82/x
3. Step 3: Cross multiply
   8,441.12x = 12,665.46 × 3,511.82
4. Step 4: Simplify right side
   8,441.12x = 44,478,815.74
5. Step 5: Solve for x
   x = 44,478,815.74/8,441.12
6. Step 6: Final answer
   x = 5,269.30