Finding the Fourth Proportional to 3,676.25, 5,073.55 and 2,020.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.25 : 5,073.55 = 2,020.57 : x
2. Step 2: Convert to fraction form
   3,676.25/5,073.55 = 2,020.57/x
3. Step 3: Cross multiply
   3,676.25x = 5,073.55 × 2,020.57
4. Step 4: Simplify right side
   3,676.25x = 10,251,452.82
5. Step 5: Solve for x
   x = 10,251,452.82/3,676.25
6. Step 6: Final answer
   x = 2,788.56