Finding the Fourth Proportional to 3,614.19, 4,987.31 and 2,020.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,614.19 : 4,987.31 = 2,020.83 : x
2. Step 2: Convert to fraction form
   3,614.19/4,987.31 = 2,020.83/x
3. Step 3: Cross multiply
   3,614.19x = 4,987.31 × 2,020.83
4. Step 4: Simplify right side
   3,614.19x = 10,078,495.56
5. Step 5: Solve for x
   x = 10,078,495.56/3,614.19
6. Step 6: Final answer
   x = 2,788.59