Finding the Fourth Proportional to 105,766.37, 158,660.68 and 30,886.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,766.37 : 158,660.68 = 30,886.72 : x
2. Step 2: Convert to fraction form
   105,766.37/158,660.68 = 30,886.72/x
3. Step 3: Cross multiply
   105,766.37x = 158,660.68 × 30,886.72
4. Step 4: Simplify right side
   105,766.37x = 4,900,507,524.30
5. Step 5: Solve for x
   x = 4,900,507,524.30/105,766.37
6. Step 6: Final answer
   x = 46,333.33