Finding the Fourth Proportional to 105,967.21, 158,950.41 and 27,081.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,967.21 : 158,950.41 = 27,081.31 : x
2. Step 2: Convert to fraction form
   105,967.21/158,950.41 = 27,081.31/x
3. Step 3: Cross multiply
   105,967.21x = 158,950.41 × 27,081.31
4. Step 4: Simplify right side
   105,967.21x = 4,304,585,327.84
5. Step 5: Solve for x
   x = 4,304,585,327.84/105,967.21
6. Step 6: Final answer
   x = 40,621.86