Finding the Fourth Proportional to 2,075.94, 2,864.73 and 1,131.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.94 : 2,864.73 = 1,131.75 : x
2. Step 2: Convert to fraction form
   2,075.94/2,864.73 = 1,131.75/x
3. Step 3: Cross multiply
   2,075.94x = 2,864.73 × 1,131.75
4. Step 4: Simplify right side
   2,075.94x = 3,242,158.18
5. Step 5: Solve for x
   x = 3,242,158.18/2,075.94
6. Step 6: Final answer
   x = 1,561.78