Finding the Fourth Proportional to 105,974.87, 158,963.18 and 31,096.23

Step by Step Solution

1. Step 1: Write the proportion equation
   105,974.87 : 158,963.18 = 31,096.23 : x
2. Step 2: Convert to fraction form
   105,974.87/158,963.18 = 31,096.23/x
3. Step 3: Cross multiply
   105,974.87x = 158,963.18 × 31,096.23
4. Step 4: Simplify right side
   105,974.87x = 4,943,155,451.33
5. Step 5: Solve for x
   x = 4,943,155,451.33/105,974.87
6. Step 6: Final answer
   x = 46,644.60