Finding the Fourth Proportional to 105,930.16, 158,747.62 and 79,604.15

Step by Step Solution

1. Step 1: Write the proportion equation
   105,930.16 : 158,747.62 = 79,604.15 : x
2. Step 2: Convert to fraction form
   105,930.16/158,747.62 = 79,604.15/x
3. Step 3: Cross multiply
   105,930.16x = 158,747.62 × 79,604.15
4. Step 4: Simplify right side
   105,930.16x = 12,636,969,354.62
5. Step 5: Solve for x
   x = 12,636,969,354.62/105,930.16
6. Step 6: Final answer
   x = 119,295.29