Finding the Fourth Proportional to 2,086.93, 2,879.37 and 1,202.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.93 : 2,879.37 = 1,202.56 : x
2. Step 2: Convert to fraction form
   2,086.93/2,879.37 = 1,202.56/x
3. Step 3: Cross multiply
   2,086.93x = 2,879.37 × 1,202.56
4. Step 4: Simplify right side
   2,086.93x = 3,462,627.57
5. Step 5: Solve for x
   x = 3,462,627.57/2,086.93
6. Step 6: Final answer
   x = 1,659.20