Finding the Fourth Proportional to 2,075.27, 2,863.89 and 1,191.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.27 : 2,863.89 = 1,191.06 : x
2. Step 2: Convert to fraction form
   2,075.27/2,863.89 = 1,191.06/x
3. Step 3: Cross multiply
   2,075.27x = 2,863.89 × 1,191.06
4. Step 4: Simplify right side
   2,075.27x = 3,411,064.82
5. Step 5: Solve for x
   x = 3,411,064.82/2,075.27
6. Step 6: Final answer
   x = 1,643.68