Finding the Fourth Proportional to 3,843.28, 5,766.72 and 1,894.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,843.28 : 5,766.72 = 1,894.42 : x
2. Step 2: Convert to fraction form
   3,843.28/5,766.72 = 1,894.42/x
3. Step 3: Cross multiply
   3,843.28x = 5,766.72 × 1,894.42
4. Step 4: Simplify right side
   3,843.28x = 10,924,589.70
5. Step 5: Solve for x
   x = 10,924,589.70/3,843.28
6. Step 6: Final answer
   x = 2,842.52