Finding the Fourth Proportional to 3,231.50, 4,843.17 and 1,380.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,231.50 : 4,843.17 = 1,380.42 : x
2. Step 2: Convert to fraction form
   3,231.50/4,843.17 = 1,380.42/x
3. Step 3: Cross multiply
   3,231.50x = 4,843.17 × 1,380.42
4. Step 4: Simplify right side
   3,231.50x = 6,685,608.73
5. Step 5: Solve for x
   x = 6,685,608.73/3,231.50
6. Step 6: Final answer
   x = 2,068.89