Finding the Fourth Proportional to 2,072.56, 2,860.12 and 1,141.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.56 : 2,860.12 = 1,141.12 : x
2. Step 2: Convert to fraction form
   2,072.56/2,860.12 = 1,141.12/x
3. Step 3: Cross multiply
   2,072.56x = 2,860.12 × 1,141.12
4. Step 4: Simplify right side
   2,072.56x = 3,263,740.13
5. Step 5: Solve for x
   x = 3,263,740.13/2,072.56
6. Step 6: Final answer
   x = 1,574.74