Finding the Fourth Proportional to 3,664.35, 5,499.25 and 2,105.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.35 : 5,499.25 = 2,105.10 : x
2. Step 2: Convert to fraction form
   3,664.35/5,499.25 = 2,105.10/x
3. Step 3: Cross multiply
   3,664.35x = 5,499.25 × 2,105.10
4. Step 4: Simplify right side
   3,664.35x = 11,576,465.91
5. Step 5: Solve for x
   x = 11,576,465.91/3,664.35
6. Step 6: Final answer
   x = 3,159.21