Finding the Fourth Proportional to 2,942.47, 4,060.42 and 2,707.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942.47 : 4,060.42 = 2,707.36 : x
2. Step 2: Convert to fraction form
   2,942.47/4,060.42 = 2,707.36/x
3. Step 3: Cross multiply
   2,942.47x = 4,060.42 × 2,707.36
4. Step 4: Simplify right side
   2,942.47x = 10,993,024.61
5. Step 5: Solve for x
   x = 10,993,024.61/2,942.47
6. Step 6: Final answer
   x = 3,735.99