Finding the Fourth Proportional to 2,279.78, 3,418.50 and 1,046.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.78 : 3,418.50 = 1,046.14 : x
2. Step 2: Convert to fraction form
   2,279.78/3,418.50 = 1,046.14/x
3. Step 3: Cross multiply
   2,279.78x = 3,418.50 × 1,046.14
4. Step 4: Simplify right side
   2,279.78x = 3,576,229.59
5. Step 5: Solve for x
   x = 3,576,229.59/2,279.78
6. Step 6: Final answer
   x = 1,568.67