Finding the Fourth Proportional to 3,759.03, 5,187.47 and 2,080.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,759.03 : 5,187.47 = 2,080.55 : x
2. Step 2: Convert to fraction form
   3,759.03/5,187.47 = 2,080.55/x
3. Step 3: Cross multiply
   3,759.03x = 5,187.47 × 2,080.55
4. Step 4: Simplify right side
   3,759.03x = 10,792,808.88
5. Step 5: Solve for x
   x = 10,792,808.88/3,759.03
6. Step 6: Final answer
   x = 2,871.17