Finding the Fourth Proportional to 3,757.57, 5,185.23 and 2,078.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,757.57 : 5,185.23 = 2,078.88 : x
2. Step 2: Convert to fraction form
   3,757.57/5,185.23 = 2,078.88/x
3. Step 3: Cross multiply
   3,757.57x = 5,185.23 × 2,078.88
4. Step 4: Simplify right side
   3,757.57x = 10,779,470.94
5. Step 5: Solve for x
   x = 10,779,470.94/3,757.57
6. Step 6: Final answer
   x = 2,868.73