Finding the Fourth Proportional to 2,767.55, 4,150.52 and 2,279.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.55 : 4,150.52 = 2,279.39 : x
2. Step 2: Convert to fraction form
   2,767.55/4,150.52 = 2,279.39/x
3. Step 3: Cross multiply
   2,767.55x = 4,150.52 × 2,279.39
4. Step 4: Simplify right side
   2,767.55x = 9,460,661.31
5. Step 5: Solve for x
   x = 9,460,661.31/2,767.55
6. Step 6: Final answer
   x = 3,418.42