Finding the Fourth Proportional to 1,960.71, 2,705.63 and 1,076.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.71 : 2,705.63 = 1,076.37 : x
2. Step 2: Convert to fraction form
   1,960.71/2,705.63 = 1,076.37/x
3. Step 3: Cross multiply
   1,960.71x = 2,705.63 × 1,076.37
4. Step 4: Simplify right side
   1,960.71x = 2,912,258.96
5. Step 5: Solve for x
   x = 2,912,258.96/1,960.71
6. Step 6: Final answer
   x = 1,485.31