Finding the Fourth Proportional to 1,960.89, 2,706.04 and 1,076.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.89 : 2,706.04 = 1,076.77 : x
2. Step 2: Convert to fraction form
   1,960.89/2,706.04 = 1,076.77/x
3. Step 3: Cross multiply
   1,960.89x = 2,706.04 × 1,076.77
4. Step 4: Simplify right side
   1,960.89x = 2,913,782.69
5. Step 5: Solve for x
   x = 2,913,782.69/1,960.89
6. Step 6: Final answer
   x = 1,485.95