Finding the Fourth Proportional to 2,741.33, 4,112.61 and 1,279.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,741.33 : 4,112.61 = 1,279.69 : x
2. Step 2: Convert to fraction form
   2,741.33/4,112.61 = 1,279.69/x
3. Step 3: Cross multiply
   2,741.33x = 4,112.61 × 1,279.69
4. Step 4: Simplify right side
   2,741.33x = 5,262,850.81
5. Step 5: Solve for x
   x = 5,262,850.81/2,741.33
6. Step 6: Final answer
   x = 1,919.81