Finding the Fourth Proportional to 2,086.91, 2,879.93 and 1,300.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.91 : 2,879.93 = 1,300.96 : x
2. Step 2: Convert to fraction form
   2,086.91/2,879.93 = 1,300.96/x
3. Step 3: Cross multiply
   2,086.91x = 2,879.93 × 1,300.96
4. Step 4: Simplify right side
   2,086.91x = 3,746,659.33
5. Step 5: Solve for x
   x = 3,746,659.33/2,086.91
6. Step 6: Final answer
   x = 1,795.32