Finding the Fourth Proportional to 2,846.30, 3,923.41 and 2,137.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.30 : 3,923.41 = 2,137.12 : x
2. Step 2: Convert to fraction form
   2,846.30/3,923.41 = 2,137.12/x
3. Step 3: Cross multiply
   2,846.30x = 3,923.41 × 2,137.12
4. Step 4: Simplify right side
   2,846.30x = 8,384,787.29
5. Step 5: Solve for x
   x = 8,384,787.29/2,846.30
6. Step 6: Final answer
   x = 2,945.86