Finding the Fourth Proportional to 10,716.12, 16,076.82 and 3,320.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,716.12 : 16,076.82 = 3,320.76 : x
2. Step 2: Convert to fraction form
   10,716.12/16,076.82 = 3,320.76/x
3. Step 3: Cross multiply
   10,716.12x = 16,076.82 × 3,320.76
4. Step 4: Simplify right side
   10,716.12x = 53,387,260.78
5. Step 5: Solve for x
   x = 53,387,260.78/10,716.12
6. Step 6: Final answer
   x = 4,981.96