Finding the Fourth Proportional to 105,645.69, 158,502.41 and 30,770.34

Step by Step Solution

1. Step 1: Write the proportion equation
   105,645.69 : 158,502.41 = 30,770.34 : x
2. Step 2: Convert to fraction form
   105,645.69/158,502.41 = 30,770.34/x
3. Step 3: Cross multiply
   105,645.69x = 158,502.41 × 30,770.34
4. Step 4: Simplify right side
   105,645.69x = 4,877,172,413.67
5. Step 5: Solve for x
   x = 4,877,172,413.67/105,645.69
6. Step 6: Final answer
   x = 46,165.37