Finding the Fourth Proportional to 3,768.09, 5,196.99 and 3,516.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.09 : 5,196.99 = 3,516.57 : x
2. Step 2: Convert to fraction form
   3,768.09/5,196.99 = 3,516.57/x
3. Step 3: Cross multiply
   3,768.09x = 5,196.99 × 3,516.57
4. Step 4: Simplify right side
   3,768.09x = 18,275,579.12
5. Step 5: Solve for x
   x = 18,275,579.12/3,768.09
6. Step 6: Final answer
   x = 4,850.09