Finding the Fourth Proportional to 2,086.25, 2,879.10 and 1,201.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.25 : 2,879.10 = 1,201.94 : x
2. Step 2: Convert to fraction form
   2,086.25/2,879.10 = 1,201.94/x
3. Step 3: Cross multiply
   2,086.25x = 2,879.10 × 1,201.94
4. Step 4: Simplify right side
   2,086.25x = 3,460,485.05
5. Step 5: Solve for x
   x = 3,460,485.05/2,086.25
6. Step 6: Final answer
   x = 1,658.71