Finding the Fourth Proportional to 3,651.94, 5,039.58 and 2,080.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651.94 : 5,039.58 = 2,080.54 : x
2. Step 2: Convert to fraction form
   3,651.94/5,039.58 = 2,080.54/x
3. Step 3: Cross multiply
   3,651.94x = 5,039.58 × 2,080.54
4. Step 4: Simplify right side
   3,651.94x = 10,485,047.77
5. Step 5: Solve for x
   x = 10,485,047.77/3,651.94
6. Step 6: Final answer
   x = 2,871.09