Finding the Fourth Proportional to 3,558.30, 4,910.79 and 2,066.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558.30 : 4,910.79 = 2,066.10 : x
2. Step 2: Convert to fraction form
   3,558.30/4,910.79 = 2,066.10/x
3. Step 3: Cross multiply
   3,558.30x = 4,910.79 × 2,066.10
4. Step 4: Simplify right side
   3,558.30x = 10,146,183.22
5. Step 5: Solve for x
   x = 10,146,183.22/3,558.30
6. Step 6: Final answer
   x = 2,851.41