Finding the Fourth Proportional to 3,096.72, 4,645.89 and 1,340.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,096.72 : 4,645.89 = 1,340.78 : x
2. Step 2: Convert to fraction form
   3,096.72/4,645.89 = 1,340.78/x
3. Step 3: Cross multiply
   3,096.72x = 4,645.89 × 1,340.78
4. Step 4: Simplify right side
   3,096.72x = 6,229,093.16
5. Step 5: Solve for x
   x = 6,229,093.16/3,096.72
6. Step 6: Final answer
   x = 2,011.51