Finding the Fourth Proportional to 2,085.57, 2,879.01 and 1,300.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.57 : 2,879.01 = 1,300.14 : x
2. Step 2: Convert to fraction form
   2,085.57/2,879.01 = 1,300.14/x
3. Step 3: Cross multiply
   2,085.57x = 2,879.01 × 1,300.14
4. Step 4: Simplify right side
   2,085.57x = 3,743,116.06
5. Step 5: Solve for x
   x = 3,743,116.06/2,085.57
6. Step 6: Final answer
   x = 1,794.77