Finding the Fourth Proportional to 2,791.73, 4,184.67 and 942.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,791.73 : 4,184.67 = 942.20 : x
2. Step 2: Convert to fraction form
   2,791.73/4,184.67 = 942.20/x
3. Step 3: Cross multiply
   2,791.73x = 4,184.67 × 942.20
4. Step 4: Simplify right side
   2,791.73x = 3,942,808.89
5. Step 5: Solve for x
   x = 3,942,808.89/2,791.73
6. Step 6: Final answer
   x = 1,412.32