Finding the Fourth Proportional to 2,698.92, 4,046.34 and 1,399.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.92 : 4,046.34 = 1,399.56 : x
2. Step 2: Convert to fraction form
   2,698.92/4,046.34 = 1,399.56/x
3. Step 3: Cross multiply
   2,698.92x = 4,046.34 × 1,399.56
4. Step 4: Simplify right side
   2,698.92x = 5,663,095.61
5. Step 5: Solve for x
   x = 5,663,095.61/2,698.92
6. Step 6: Final answer
   x = 2,098.28