Finding the Fourth Proportional to 1,960.89, 2,936.81 and 1,179.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.89 : 2,936.81 = 1,179.18 : x
2. Step 2: Convert to fraction form
   1,960.89/2,936.81 = 1,179.18/x
3. Step 3: Cross multiply
   1,960.89x = 2,936.81 × 1,179.18
4. Step 4: Simplify right side
   1,960.89x = 3,463,012.93
5. Step 5: Solve for x
   x = 3,463,012.93/1,960.89
6. Step 6: Final answer
   x = 1,766.04