Finding the Fourth Proportional to 1,706.94, 2,563.38 and 1,619.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,706.94 : 2,563.38 = 1,619.33 : x
2. Step 2: Convert to fraction form
   1,706.94/2,563.38 = 1,619.33/x
3. Step 3: Cross multiply
   1,706.94x = 2,563.38 × 1,619.33
4. Step 4: Simplify right side
   1,706.94x = 4,150,945.32
5. Step 5: Solve for x
   x = 4,150,945.32/1,706.94
6. Step 6: Final answer
   x = 2,431.81