Finding the Fourth Proportional to 105,983.87, 158,976.71 and 31,105.23

Step by Step Solution

1. Step 1: Write the proportion equation
   105,983.87 : 158,976.71 = 31,105.23 : x
2. Step 2: Convert to fraction form
   105,983.87/158,976.71 = 31,105.23/x
3. Step 3: Cross multiply
   105,983.87x = 158,976.71 × 31,105.23
4. Step 4: Simplify right side
   105,983.87x = 4,945,006,973.67
5. Step 5: Solve for x
   x = 4,945,006,973.67/105,983.87
6. Step 6: Final answer
   x = 46,658.11