Finding the Fourth Proportional to 2,141.46, 3,205.71 and 1,979.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.46 : 3,205.71 = 1,979.46 : x
2. Step 2: Convert to fraction form
   2,141.46/3,205.71 = 1,979.46/x
3. Step 3: Cross multiply
   2,141.46x = 3,205.71 × 1,979.46
4. Step 4: Simplify right side
   2,141.46x = 6,345,574.72
5. Step 5: Solve for x
   x = 6,345,574.72/2,141.46
6. Step 6: Final answer
   x = 2,963.20