Finding the Fourth Proportional to 3,676.22, 5,074.06 and 2,105.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.22 : 5,074.06 = 2,105.22 : x
2. Step 2: Convert to fraction form
   3,676.22/5,074.06 = 2,105.22/x
3. Step 3: Cross multiply
   3,676.22x = 5,074.06 × 2,105.22
4. Step 4: Simplify right side
   3,676.22x = 10,682,012.59
5. Step 5: Solve for x
   x = 10,682,012.59/3,676.22
6. Step 6: Final answer
   x = 2,905.71