Finding the Fourth Proportional to 3,676.82, 5,074.13 and 2,105.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.82 : 5,074.13 = 2,105.42 : x
2. Step 2: Convert to fraction form
   3,676.82/5,074.13 = 2,105.42/x
3. Step 3: Cross multiply
   3,676.82x = 5,074.13 × 2,105.42
4. Step 4: Simplify right side
   3,676.82x = 10,683,164.26
5. Step 5: Solve for x
   x = 10,683,164.26/3,676.82
6. Step 6: Final answer
   x = 2,905.54