Finding the Fourth Proportional to 3,906.02, 5,377.82 and 3,162.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.02 : 5,377.82 = 3,162.44 : x
2. Step 2: Convert to fraction form
   3,906.02/5,377.82 = 3,162.44/x
3. Step 3: Cross multiply
   3,906.02x = 5,377.82 × 3,162.44
4. Step 4: Simplify right side
   3,906.02x = 17,006,990.38
5. Step 5: Solve for x
   x = 17,006,990.38/3,906.02
6. Step 6: Final answer
   x = 4,354.05