Finding the Fourth Proportional to 105,715.96, 158,573.94 and 31,843.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,715.96 : 158,573.94 = 31,843.96 : x
2. Step 2: Convert to fraction form
   105,715.96/158,573.94 = 31,843.96/x
3. Step 3: Cross multiply
   105,715.96x = 158,573.94 × 31,843.96
4. Step 4: Simplify right side
   105,715.96x = 5,049,622,202.40
5. Step 5: Solve for x
   x = 5,049,622,202.40/105,715.96
6. Step 6: Final answer
   x = 47,765.94