Finding the Fourth Proportional to 2,471.37, 3,405.81 and 1,684.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.37 : 3,405.81 = 1,684.05 : x
2. Step 2: Convert to fraction form
   2,471.37/3,405.81 = 1,684.05/x
3. Step 3: Cross multiply
   2,471.37x = 3,405.81 × 1,684.05
4. Step 4: Simplify right side
   2,471.37x = 5,735,554.33
5. Step 5: Solve for x
   x = 5,735,554.33/2,471.37
6. Step 6: Final answer
   x = 2,320.80