Finding the Fourth Proportional to 2,086.28, 2,879.05 and 1,202.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.28 : 2,879.05 = 1,202.37 : x
2. Step 2: Convert to fraction form
   2,086.28/2,879.05 = 1,202.37/x
3. Step 3: Cross multiply
   2,086.28x = 2,879.05 × 1,202.37
4. Step 4: Simplify right side
   2,086.28x = 3,461,683.35
5. Step 5: Solve for x
   x = 3,461,683.35/2,086.28
6. Step 6: Final answer
   x = 1,659.26