Finding the Fourth Proportional to 105,636.27, 158,464.80 and 30,757.17

Step by Step Solution

1. Step 1: Write the proportion equation
   105,636.27 : 158,464.80 = 30,757.17 : x
2. Step 2: Convert to fraction form
   105,636.27/158,464.80 = 30,757.17/x
3. Step 3: Cross multiply
   105,636.27x = 158,464.80 × 30,757.17
4. Step 4: Simplify right side
   105,636.27x = 4,873,928,792.62
5. Step 5: Solve for x
   x = 4,873,928,792.62/105,636.27
6. Step 6: Final answer
   x = 46,138.78