Finding the Fourth Proportional to 2,096.62, 3,144.82 and 780.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.62 : 3,144.82 = 780.37 : x
2. Step 2: Convert to fraction form
   2,096.62/3,144.82 = 780.37/x
3. Step 3: Cross multiply
   2,096.62x = 3,144.82 × 780.37
4. Step 4: Simplify right side
   2,096.62x = 2,454,103.56
5. Step 5: Solve for x
   x = 2,454,103.56/2,096.62
6. Step 6: Final answer
   x = 1,170.51