Finding the Fourth Proportional to 3,651.95, 5,039.52 and 2,080.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651.95 : 5,039.52 = 2,080.55 : x
2. Step 2: Convert to fraction form
   3,651.95/5,039.52 = 2,080.55/x
3. Step 3: Cross multiply
   3,651.95x = 5,039.52 × 2,080.55
4. Step 4: Simplify right side
   3,651.95x = 10,484,978.13
5. Step 5: Solve for x
   x = 10,484,978.13/3,651.95
6. Step 6: Final answer
   x = 2,871.06