Finding the Fourth Proportional to 2,456.73, 3,390.33 and 1,394.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.73 : 3,390.33 = 1,394.47 : x
2. Step 2: Convert to fraction form
   2,456.73/3,390.33 = 1,394.47/x
3. Step 3: Cross multiply
   2,456.73x = 3,390.33 × 1,394.47
4. Step 4: Simplify right side
   2,456.73x = 4,727,705.00
5. Step 5: Solve for x
   x = 4,727,705.00/2,456.73
6. Step 6: Final answer
   x = 1,924.39