Finding the Fourth Proportional to 105,906.78, 158,874.96 and 31,032.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,906.78 : 158,874.96 = 31,032.24 : x
2. Step 2: Convert to fraction form
   105,906.78/158,874.96 = 31,032.24/x
3. Step 3: Cross multiply
   105,906.78x = 158,874.96 × 31,032.24
4. Step 4: Simplify right side
   105,906.78x = 4,930,245,888.71
5. Step 5: Solve for x
   x = 4,930,245,888.71/105,906.78
6. Step 6: Final answer
   x = 46,552.69