Finding the Fourth Proportional to 2,513.10, 3,767.34 and 1,279.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.10 : 3,767.34 = 1,279.82 : x
2. Step 2: Convert to fraction form
   2,513.10/3,767.34 = 1,279.82/x
3. Step 3: Cross multiply
   2,513.10x = 3,767.34 × 1,279.82
4. Step 4: Simplify right side
   2,513.10x = 4,821,517.08
5. Step 5: Solve for x
   x = 4,821,517.08/2,513.10
6. Step 6: Final answer
   x = 1,918.55