Finding the Fourth Proportional to 2,086.69, 2,879.13 and 1,300.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.69 : 2,879.13 = 1,300.18 : x
2. Step 2: Convert to fraction form
   2,086.69/2,879.13 = 1,300.18/x
3. Step 3: Cross multiply
   2,086.69x = 2,879.13 × 1,300.18
4. Step 4: Simplify right side
   2,086.69x = 3,743,387.24
5. Step 5: Solve for x
   x = 3,743,387.24/2,086.69
6. Step 6: Final answer
   x = 1,793.94