Finding the Fourth Proportional to 2,473.38, 3,408.56 and 1,686.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473.38 : 3,408.56 = 1,686.06 : x
2. Step 2: Convert to fraction form
   2,473.38/3,408.56 = 1,686.06/x
3. Step 3: Cross multiply
   2,473.38x = 3,408.56 × 1,686.06
4. Step 4: Simplify right side
   2,473.38x = 5,747,036.67
5. Step 5: Solve for x
   x = 5,747,036.67/2,473.38
6. Step 6: Final answer
   x = 2,323.56