Finding the Fourth Proportional to 105,935.85, 158,756.15 and 79,609.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,935.85 : 158,756.15 = 79,609.84 : x
2. Step 2: Convert to fraction form
   105,935.85/158,756.15 = 79,609.84/x
3. Step 3: Cross multiply
   105,935.85x = 158,756.15 × 79,609.84
4. Step 4: Simplify right side
   105,935.85x = 12,638,551,502.65
5. Step 5: Solve for x
   x = 12,638,551,502.65/105,935.85
6. Step 6: Final answer
   x = 119,303.82