Finding the Fourth Proportional to 3,614.15, 4,987.37 and 2,020.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,614.15 : 4,987.37 = 2,020.98 : x
2. Step 2: Convert to fraction form
   3,614.15/4,987.37 = 2,020.98/x
3. Step 3: Cross multiply
   3,614.15x = 4,987.37 × 2,020.98
4. Step 4: Simplify right side
   3,614.15x = 10,079,398.78
5. Step 5: Solve for x
   x = 10,079,398.78/3,614.15
6. Step 6: Final answer
   x = 2,788.87