Finding the Fourth Proportional to 2,456.39, 3,388.53 and 1,699.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.39 : 3,388.53 = 1,699.85 : x
2. Step 2: Convert to fraction form
   2,456.39/3,388.53 = 1,699.85/x
3. Step 3: Cross multiply
   2,456.39x = 3,388.53 × 1,699.85
4. Step 4: Simplify right side
   2,456.39x = 5,760,007.57
5. Step 5: Solve for x
   x = 5,760,007.57/2,456.39
6. Step 6: Final answer
   x = 2,344.91