Finding the Fourth Proportional to 105,993.97, 159,001.89 and 31,113.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,993.97 : 159,001.89 = 31,113.82 : x
2. Step 2: Convert to fraction form
   105,993.97/159,001.89 = 31,113.82/x
3. Step 3: Cross multiply
   105,993.97x = 159,001.89 × 31,113.82
4. Step 4: Simplify right side
   105,993.97x = 4,947,156,267.20
5. Step 5: Solve for x
   x = 4,947,156,267.20/105,993.97
6. Step 6: Final answer
   x = 46,673.94