Finding the Fourth Proportional to 3,942.71, 5,442.27 and 2,349.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.71 : 5,442.27 = 2,349.86 : x
2. Step 2: Convert to fraction form
   3,942.71/5,442.27 = 2,349.86/x
3. Step 3: Cross multiply
   3,942.71x = 5,442.27 × 2,349.86
4. Step 4: Simplify right side
   3,942.71x = 12,788,567.17
5. Step 5: Solve for x
   x = 12,788,567.17/3,942.71
6. Step 6: Final answer
   x = 3,243.59