Finding the Fourth Proportional to 2,791.06, 4,185.82 and 941.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,791.06 : 4,185.82 = 941.78 : x
2. Step 2: Convert to fraction form
   2,791.06/4,185.82 = 941.78/x
3. Step 3: Cross multiply
   2,791.06x = 4,185.82 × 941.78
4. Step 4: Simplify right side
   2,791.06x = 3,942,121.56
5. Step 5: Solve for x
   x = 3,942,121.56/2,791.06
6. Step 6: Final answer
   x = 1,412.41