Finding the Fourth Proportional to 2,479.82, 3,422.74 and 1,684.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.82 : 3,422.74 = 1,684.47 : x
2. Step 2: Convert to fraction form
   2,479.82/3,422.74 = 1,684.47/x
3. Step 3: Cross multiply
   2,479.82x = 3,422.74 × 1,684.47
4. Step 4: Simplify right side
   2,479.82x = 5,765,502.85
5. Step 5: Solve for x
   x = 5,765,502.85/2,479.82
6. Step 6: Final answer
   x = 2,324.97