Finding the Fourth Proportional to 2,983.94, 4,112.89 and 2,624.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.94 : 4,112.89 = 2,624.12 : x
2. Step 2: Convert to fraction form
   2,983.94/4,112.89 = 2,624.12/x
3. Step 3: Cross multiply
   2,983.94x = 4,112.89 × 2,624.12
4. Step 4: Simplify right side
   2,983.94x = 10,792,689.78
5. Step 5: Solve for x
   x = 10,792,689.78/2,983.94
6. Step 6: Final answer
   x = 3,616.92