Finding the Fourth Proportional to 2,279.71, 3,144.89 and 1,335.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.71 : 3,144.89 = 1,335.52 : x
2. Step 2: Convert to fraction form
   2,279.71/3,144.89 = 1,335.52/x
3. Step 3: Cross multiply
   2,279.71x = 3,144.89 × 1,335.52
4. Step 4: Simplify right side
   2,279.71x = 4,200,070.76
5. Step 5: Solve for x
   x = 4,200,070.76/2,279.71
6. Step 6: Final answer
   x = 1,842.37