Finding the Fourth Proportional to 2,434.16, 3,355.62 and 1,686.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.16 : 3,355.62 = 1,686.98 : x
2. Step 2: Convert to fraction form
   2,434.16/3,355.62 = 1,686.98/x
3. Step 3: Cross multiply
   2,434.16x = 3,355.62 × 1,686.98
4. Step 4: Simplify right side
   2,434.16x = 5,660,863.83
5. Step 5: Solve for x
   x = 5,660,863.83/2,434.16
6. Step 6: Final answer
   x = 2,325.59