Finding the Fourth Proportional to 105,910.88, 158,888.20 and 31,033.47

Step by Step Solution

1. Step 1: Write the proportion equation
   105,910.88 : 158,888.20 = 31,033.47 : x
2. Step 2: Convert to fraction form
   105,910.88/158,888.20 = 31,033.47/x
3. Step 3: Cross multiply
   105,910.88x = 158,888.20 × 31,033.47
4. Step 4: Simplify right side
   105,910.88x = 4,930,852,110.47
5. Step 5: Solve for x
   x = 4,930,852,110.47/105,910.88
6. Step 6: Final answer
   x = 46,556.61