Finding the Fourth Proportional to 2,394.78, 3,587.97 and 1,664.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,394.78 : 3,587.97 = 1,664.82 : x
2. Step 2: Convert to fraction form
   2,394.78/3,587.97 = 1,664.82/x
3. Step 3: Cross multiply
   2,394.78x = 3,587.97 × 1,664.82
4. Step 4: Simplify right side
   2,394.78x = 5,973,324.22
5. Step 5: Solve for x
   x = 5,973,324.22/2,394.78
6. Step 6: Final answer
   x = 2,494.31