Finding the Fourth Proportional to 2,949.48, 4,061.88 and 2,940.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949.48 : 4,061.88 = 2,940.57 : x
2. Step 2: Convert to fraction form
   2,949.48/4,061.88 = 2,940.57/x
3. Step 3: Cross multiply
   2,949.48x = 4,061.88 × 2,940.57
4. Step 4: Simplify right side
   2,949.48x = 11,944,242.47
5. Step 5: Solve for x
   x = 11,944,242.47/2,949.48
6. Step 6: Final answer
   x = 4,049.61