Finding the Fourth Proportional to 3,185.73, 4,397.69 and 2,479.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,185.73 : 4,397.69 = 2,479.51 : x
2. Step 2: Convert to fraction form
   3,185.73/4,397.69 = 2,479.51/x
3. Step 3: Cross multiply
   3,185.73x = 4,397.69 × 2,479.51
4. Step 4: Simplify right side
   3,185.73x = 10,904,128.03
5. Step 5: Solve for x
   x = 10,904,128.03/3,185.73
6. Step 6: Final answer
   x = 3,422.80