Finding the Fourth Proportional to 10,665.15, 16,000.82 and 3,270.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.15 : 16,000.82 = 3,270.70 : x
2. Step 2: Convert to fraction form
   10,665.15/16,000.82 = 3,270.70/x
3. Step 3: Cross multiply
   10,665.15x = 16,000.82 × 3,270.70
4. Step 4: Simplify right side
   10,665.15x = 52,333,825.62
5. Step 5: Solve for x
   x = 52,333,825.62/10,665.15
6. Step 6: Final answer
   x = 4,906.99