Finding the Fourth Proportional to 2,096.82, 3,144.15 and 780.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.82 : 3,144.15 = 780.03 : x
2. Step 2: Convert to fraction form
   2,096.82/3,144.15 = 780.03/x
3. Step 3: Cross multiply
   2,096.82x = 3,144.15 × 780.03
4. Step 4: Simplify right side
   2,096.82x = 2,452,531.32
5. Step 5: Solve for x
   x = 2,452,531.32/2,096.82
6. Step 6: Final answer
   x = 1,169.64