Finding the Fourth Proportional to 3,676.34, 5,074.23 and 2,105.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.34 : 5,074.23 = 2,105.34 : x
2. Step 2: Convert to fraction form
   3,676.34/5,074.23 = 2,105.34/x
3. Step 3: Cross multiply
   3,676.34x = 5,074.23 × 2,105.34
4. Step 4: Simplify right side
   3,676.34x = 10,682,979.39
5. Step 5: Solve for x
   x = 10,682,979.39/3,676.34
6. Step 6: Final answer
   x = 2,905.88