Finding the Fourth Proportional to 2,804.27, 3,871.46 and 1,685.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.27 : 3,871.46 = 1,685.49 : x
2. Step 2: Convert to fraction form
   2,804.27/3,871.46 = 1,685.49/x
3. Step 3: Cross multiply
   2,804.27x = 3,871.46 × 1,685.49
4. Step 4: Simplify right side
   2,804.27x = 6,525,298.69
5. Step 5: Solve for x
   x = 6,525,298.69/2,804.27
6. Step 6: Final answer
   x = 2,326.92