Finding the Fourth Proportional to 4,942.02, 7,418.82 and 3,902.73

Step by Step Solution

1. Step 1: Write the proportion equation
   4,942.02 : 7,418.82 = 3,902.73 : x
2. Step 2: Convert to fraction form
   4,942.02/7,418.82 = 3,902.73/x
3. Step 3: Cross multiply
   4,942.02x = 7,418.82 × 3,902.73
4. Step 4: Simplify right side
   4,942.02x = 28,953,651.38
5. Step 5: Solve for x
   x = 28,953,651.38/4,942.02
6. Step 6: Final answer
   x = 5,858.67