Finding the Fourth Proportional to 2,065.67, 3,099.15 and 679.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.67 : 3,099.15 = 679.03 : x
2. Step 2: Convert to fraction form
   2,065.67/3,099.15 = 679.03/x
3. Step 3: Cross multiply
   2,065.67x = 3,099.15 × 679.03
4. Step 4: Simplify right side
   2,065.67x = 2,104,415.82
5. Step 5: Solve for x
   x = 2,104,415.82/2,065.67
6. Step 6: Final answer
   x = 1,018.76