Finding the Fourth Proportional to 105,646.69, 158,503.91 and 30,771.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,646.69 : 158,503.91 = 30,771.34 : x
2. Step 2: Convert to fraction form
   105,646.69/158,503.91 = 30,771.34/x
3. Step 3: Cross multiply
   105,646.69x = 158,503.91 × 30,771.34
4. Step 4: Simplify right side
   105,646.69x = 4,877,377,705.94
5. Step 5: Solve for x
   x = 4,877,377,705.94/105,646.69
6. Step 6: Final answer
   x = 46,166.88