Finding the Fourth Proportional to 3,942.55, 5,914.37 and 1,443.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.55 : 5,914.37 = 1,443.41 : x
2. Step 2: Convert to fraction form
   3,942.55/5,914.37 = 1,443.41/x
3. Step 3: Cross multiply
   3,942.55x = 5,914.37 × 1,443.41
4. Step 4: Simplify right side
   3,942.55x = 8,536,840.58
5. Step 5: Solve for x
   x = 8,536,840.58/3,942.55
6. Step 6: Final answer
   x = 2,165.31