Finding the Fourth Proportional to 1,960.53, 2,705.55 and 1,076.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.53 : 2,705.55 = 1,076.34 : x
2. Step 2: Convert to fraction form
   1,960.53/2,705.55 = 1,076.34/x
3. Step 3: Cross multiply
   1,960.53x = 2,705.55 × 1,076.34
4. Step 4: Simplify right side
   1,960.53x = 2,912,091.69
5. Step 5: Solve for x
   x = 2,912,091.69/1,960.53
6. Step 6: Final answer
   x = 1,485.36