Finding the Fourth Proportional to 2,081.99, 2,873.07 and 1,242.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.99 : 2,873.07 = 1,242.26 : x
2. Step 2: Convert to fraction form
   2,081.99/2,873.07 = 1,242.26/x
3. Step 3: Cross multiply
   2,081.99x = 2,873.07 × 1,242.26
4. Step 4: Simplify right side
   2,081.99x = 3,569,085.57
5. Step 5: Solve for x
   x = 3,569,085.57/2,081.99
6. Step 6: Final answer
   x = 1,714.27