Finding the Fourth Proportional to 2,183.63, 3,014.78 and 1,685.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.63 : 3,014.78 = 1,685.34 : x
2. Step 2: Convert to fraction form
   2,183.63/3,014.78 = 1,685.34/x
3. Step 3: Cross multiply
   2,183.63x = 3,014.78 × 1,685.34
4. Step 4: Simplify right side
   2,183.63x = 5,080,920.90
5. Step 5: Solve for x
   x = 5,080,920.90/2,183.63
6. Step 6: Final answer
   x = 2,326.83