Finding the Fourth Proportional to 2,940.93, 4,411.82 and 993.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.93 : 4,411.82 = 993.69 : x
2. Step 2: Convert to fraction form
   2,940.93/4,411.82 = 993.69/x
3. Step 3: Cross multiply
   2,940.93x = 4,411.82 × 993.69
4. Step 4: Simplify right side
   2,940.93x = 4,383,983.90
5. Step 5: Solve for x
   x = 4,383,983.90/2,940.93
6. Step 6: Final answer
   x = 1,490.68