Finding the Fourth Proportional to 3,673.91, 5,070.25 and 2,080.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.91 : 5,070.25 = 2,080.57 : x
2. Step 2: Convert to fraction form
   3,673.91/5,070.25 = 2,080.57/x
3. Step 3: Cross multiply
   3,673.91x = 5,070.25 × 2,080.57
4. Step 4: Simplify right side
   3,673.91x = 10,549,010.04
5. Step 5: Solve for x
   x = 10,549,010.04/3,673.91
6. Step 6: Final answer
   x = 2,871.33