Finding the Fourth Proportional to 2,279.52, 3,144.90 and 1,335.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.52 : 3,144.90 = 1,335.18 : x
2. Step 2: Convert to fraction form
   2,279.52/3,144.90 = 1,335.18/x
3. Step 3: Cross multiply
   2,279.52x = 3,144.90 × 1,335.18
4. Step 4: Simplify right side
   2,279.52x = 4,199,007.58
5. Step 5: Solve for x
   x = 4,199,007.58/2,279.52
6. Step 6: Final answer
   x = 1,842.06