Finding the Fourth Proportional to 2,077.23, 2,866.56 and 1,145.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.23 : 2,866.56 = 1,145.73 : x
2. Step 2: Convert to fraction form
   2,077.23/2,866.56 = 1,145.73/x
3. Step 3: Cross multiply
   2,077.23x = 2,866.56 × 1,145.73
4. Step 4: Simplify right side
   2,077.23x = 3,284,303.79
5. Step 5: Solve for x
   x = 3,284,303.79/2,077.23
6. Step 6: Final answer
   x = 1,581.10