Finding the Fourth Proportional to 2,843.86, 4,266.38 and 1,200.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,843.86 : 4,266.38 = 1,200.42 : x
2. Step 2: Convert to fraction form
   2,843.86/4,266.38 = 1,200.42/x
3. Step 3: Cross multiply
   2,843.86x = 4,266.38 × 1,200.42
4. Step 4: Simplify right side
   2,843.86x = 5,121,447.88
5. Step 5: Solve for x
   x = 5,121,447.88/2,843.86
6. Step 6: Final answer
   x = 1,800.88