Finding the Fourth Proportional to 3,614.51, 4,987.89 and 2,042.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,614.51 : 4,987.89 = 2,042.57 : x
2. Step 2: Convert to fraction form
   3,614.51/4,987.89 = 2,042.57/x
3. Step 3: Cross multiply
   3,614.51x = 4,987.89 × 2,042.57
4. Step 4: Simplify right side
   3,614.51x = 10,188,089.54
5. Step 5: Solve for x
   x = 10,188,089.54/3,614.51
6. Step 6: Final answer
   x = 2,818.67