Finding the Fourth Proportional to 2,077.42, 2,866.83 and 1,145.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.42 : 2,866.83 = 1,145.92 : x
2. Step 2: Convert to fraction form
   2,077.42/2,866.83 = 1,145.92/x
3. Step 3: Cross multiply
   2,077.42x = 2,866.83 × 1,145.92
4. Step 4: Simplify right side
   2,077.42x = 3,285,157.83
5. Step 5: Solve for x
   x = 3,285,157.83/2,077.42
6. Step 6: Final answer
   x = 1,581.36