Finding the Fourth Proportional to 105,964.35, 158,946.60 and 27,078.65

Step by Step Solution

1. Step 1: Write the proportion equation
   105,964.35 : 158,946.60 = 27,078.65 : x
2. Step 2: Convert to fraction form
   105,964.35/158,946.60 = 27,078.65/x
3. Step 3: Cross multiply
   105,964.35x = 158,946.60 × 27,078.65
4. Step 4: Simplify right side
   105,964.35x = 4,304,060,147.03
5. Step 5: Solve for x
   x = 4,304,060,147.03/105,964.35
6. Step 6: Final answer
   x = 40,618.00