Finding the Fourth Proportional to 2,075.38, 2,864.06 and 1,131.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.38 : 2,864.06 = 1,131.16 : x
2. Step 2: Convert to fraction form
   2,075.38/2,864.06 = 1,131.16/x
3. Step 3: Cross multiply
   2,075.38x = 2,864.06 × 1,131.16
4. Step 4: Simplify right side
   2,075.38x = 3,239,710.11
5. Step 5: Solve for x
   x = 3,239,710.11/2,075.38
6. Step 6: Final answer
   x = 1,561.02