Finding the Fourth Proportional to 3,758.80, 5,187.48 and 2,080.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.80 : 5,187.48 = 2,080.60 : x
2. Step 2: Convert to fraction form
   3,758.80/5,187.48 = 2,080.60/x
3. Step 3: Cross multiply
   3,758.80x = 5,187.48 × 2,080.60
4. Step 4: Simplify right side
   3,758.80x = 10,793,070.89
5. Step 5: Solve for x
   x = 10,793,070.89/3,758.80
6. Step 6: Final answer
   x = 2,871.41