Finding the Fourth Proportional to 2,064.09, 3,096.40 and 677.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.09 : 3,096.40 = 677.08 : x
2. Step 2: Convert to fraction form
   2,064.09/3,096.40 = 677.08/x
3. Step 3: Cross multiply
   2,064.09x = 3,096.40 × 677.08
4. Step 4: Simplify right side
   2,064.09x = 2,096,510.51
5. Step 5: Solve for x
   x = 2,096,510.51/2,064.09
6. Step 6: Final answer
   x = 1,015.71