Finding the Fourth Proportional to 2,086.65, 2,879.69 and 1,202.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.65 : 2,879.69 = 1,202.54 : x
2. Step 2: Convert to fraction form
   2,086.65/2,879.69 = 1,202.54/x
3. Step 3: Cross multiply
   2,086.65x = 2,879.69 × 1,202.54
4. Step 4: Simplify right side
   2,086.65x = 3,462,922.00
5. Step 5: Solve for x
   x = 3,462,922.00/2,086.65
6. Step 6: Final answer
   x = 1,659.56