Finding the Fourth Proportional to 2,075.82, 3,116.87 and 1,786.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.82 : 3,116.87 = 1,786.49 : x
2. Step 2: Convert to fraction form
   2,075.82/3,116.87 = 1,786.49/x
3. Step 3: Cross multiply
   2,075.82x = 3,116.87 × 1,786.49
4. Step 4: Simplify right side
   2,075.82x = 5,568,250.96
5. Step 5: Solve for x
   x = 5,568,250.96/2,075.82
6. Step 6: Final answer
   x = 2,682.44