Finding the Fourth Proportional to 1,960.82, 2,942.39 and 729.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.82 : 2,942.39 = 729.09 : x
2. Step 2: Convert to fraction form
   1,960.82/2,942.39 = 729.09/x
3. Step 3: Cross multiply
   1,960.82x = 2,942.39 × 729.09
4. Step 4: Simplify right side
   1,960.82x = 2,145,263.48
5. Step 5: Solve for x
   x = 2,145,263.48/1,960.82
6. Step 6: Final answer
   x = 1,094.07