Finding the Fourth Proportional to 3,758.81, 5,187.09 and 2,080.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.81 : 5,187.09 = 2,080.12 : x
2. Step 2: Convert to fraction form
   3,758.81/5,187.09 = 2,080.12/x
3. Step 3: Cross multiply
   3,758.81x = 5,187.09 × 2,080.12
4. Step 4: Simplify right side
   3,758.81x = 10,789,777.10
5. Step 5: Solve for x
   x = 10,789,777.10/3,758.81
6. Step 6: Final answer
   x = 2,870.53