Finding the Fourth Proportional to 3,677.25, 5,074.61 and 2,021.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,677.25 : 5,074.61 = 2,021.25 : x
2. Step 2: Convert to fraction form
   3,677.25/5,074.61 = 2,021.25/x
3. Step 3: Cross multiply
   3,677.25x = 5,074.61 × 2,021.25
4. Step 4: Simplify right side
   3,677.25x = 10,257,045.36
5. Step 5: Solve for x
   x = 10,257,045.36/3,677.25
6. Step 6: Final answer
   x = 2,789.33