Finding the Fourth Proportional to 105,499.48, 158,169.63 and 34,379.65

Step by Step Solution

1. Step 1: Write the proportion equation
   105,499.48 : 158,169.63 = 34,379.65 : x
2. Step 2: Convert to fraction form
   105,499.48/158,169.63 = 34,379.65/x
3. Step 3: Cross multiply
   105,499.48x = 158,169.63 × 34,379.65
4. Step 4: Simplify right side
   105,499.48x = 5,437,816,208.43
5. Step 5: Solve for x
   x = 5,437,816,208.43/105,499.48
6. Step 6: Final answer
   x = 51,543.54