Finding the Fourth Proportional to 2,940.82, 4,411.83 and 992.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.82 : 4,411.83 = 992.97 : x
2. Step 2: Convert to fraction form
   2,940.82/4,411.83 = 992.97/x
3. Step 3: Cross multiply
   2,940.82x = 4,411.83 × 992.97
4. Step 4: Simplify right side
   2,940.82x = 4,380,814.84
5. Step 5: Solve for x
   x = 4,380,814.84/2,940.82
6. Step 6: Final answer
   x = 1,489.66