Finding the Fourth Proportional to 3,936.69, 5,905.35 and 1,304.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.69 : 5,905.35 = 1,304.09 : x
2. Step 2: Convert to fraction form
   3,936.69/5,905.35 = 1,304.09/x
3. Step 3: Cross multiply
   3,936.69x = 5,905.35 × 1,304.09
4. Step 4: Simplify right side
   3,936.69x = 7,701,100.50
5. Step 5: Solve for x
   x = 7,701,100.50/3,936.69
6. Step 6: Final answer
   x = 1,956.24