Finding the Fourth Proportional to 105,662.07, 158,517.81 and 30,783.65

Step by Step Solution

1. Step 1: Write the proportion equation
   105,662.07 : 158,517.81 = 30,783.65 : x
2. Step 2: Convert to fraction form
   105,662.07/158,517.81 = 30,783.65/x
3. Step 3: Cross multiply
   105,662.07x = 158,517.81 × 30,783.65
4. Step 4: Simplify right side
   105,662.07x = 4,879,755,989.22
5. Step 5: Solve for x
   x = 4,879,755,989.22/105,662.07
6. Step 6: Final answer
   x = 46,182.67