Finding the Fourth Proportional to 2,096.91, 2,894.34 and 1,398.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.91 : 2,894.34 = 1,398.28 : x
2. Step 2: Convert to fraction form
   2,096.91/2,894.34 = 1,398.28/x
3. Step 3: Cross multiply
   2,096.91x = 2,894.34 × 1,398.28
4. Step 4: Simplify right side
   2,096.91x = 4,047,101.35
5. Step 5: Solve for x
   x = 4,047,101.35/2,096.91
6. Step 6: Final answer
   x = 1,930.03