Finding the Fourth Proportional to 2,456.59, 3,390.17 and 1,394.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.59 : 3,390.17 = 1,394.34 : x
2. Step 2: Convert to fraction form
   2,456.59/3,390.17 = 1,394.34/x
3. Step 3: Cross multiply
   2,456.59x = 3,390.17 × 1,394.34
4. Step 4: Simplify right side
   2,456.59x = 4,727,036.49
5. Step 5: Solve for x
   x = 4,727,036.49/2,456.59
6. Step 6: Final answer
   x = 1,924.23