Finding the Fourth Proportional to 2,994.72, 4,491.12 and 942.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,994.72 : 4,491.12 = 942.24 : x
2. Step 2: Convert to fraction form
   2,994.72/4,491.12 = 942.24/x
3. Step 3: Cross multiply
   2,994.72x = 4,491.12 × 942.24
4. Step 4: Simplify right side
   2,994.72x = 4,231,712.91
5. Step 5: Solve for x
   x = 4,231,712.91/2,994.72
6. Step 6: Final answer
   x = 1,413.06