Finding the Fourth Proportional to 2,759.82, 4,138.84 and 910.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,759.82 : 4,138.84 = 910.59 : x
2. Step 2: Convert to fraction form
   2,759.82/4,138.84 = 910.59/x
3. Step 3: Cross multiply
   2,759.82x = 4,138.84 × 910.59
4. Step 4: Simplify right side
   2,759.82x = 3,768,786.32
5. Step 5: Solve for x
   x = 3,768,786.32/2,759.82
6. Step 6: Final answer
   x = 1,365.59