Finding the Fourth Proportional to 3,758.96, 5,187.25 and 2,080.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.96 : 5,187.25 = 2,080.31 : x
2. Step 2: Convert to fraction form
   3,758.96/5,187.25 = 2,080.31/x
3. Step 3: Cross multiply
   3,758.96x = 5,187.25 × 2,080.31
4. Step 4: Simplify right side
   3,758.96x = 10,791,088.05
5. Step 5: Solve for x
   x = 10,791,088.05/3,758.96
6. Step 6: Final answer
   x = 2,870.76