Finding the Fourth Proportional to 2,027.86, 2,798.49 and 1,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,027.86 : 2,798.49 = 1,143.50 : x
2. Step 2: Convert to fraction form
   2,027.86/2,798.49 = 1,143.50/x
3. Step 3: Cross multiply
   2,027.86x = 2,798.49 × 1,143.50
4. Step 4: Simplify right side
   2,027.86x = 3,200,059.32
5. Step 5: Solve for x
   x = 3,200,059.32/2,027.86
6. Step 6: Final answer
   x = 1,578.05