Finding the Fourth Proportional to 3,651.82, 5,039.80 and 2,080.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651.82 : 5,039.80 = 2,080.02 : x
2. Step 2: Convert to fraction form
   3,651.82/5,039.80 = 2,080.02/x
3. Step 3: Cross multiply
   3,651.82x = 5,039.80 × 2,080.02
4. Step 4: Simplify right side
   3,651.82x = 10,482,884.80
5. Step 5: Solve for x
   x = 10,482,884.80/3,651.82
6. Step 6: Final answer
   x = 2,870.59