Finding the Fourth Proportional to 105,843.20, 158,710.72 and 55,950.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,843.20 : 158,710.72 = 55,950.08 : x
2. Step 2: Convert to fraction form
   105,843.20/158,710.72 = 55,950.08/x
3. Step 3: Cross multiply
   105,843.20x = 158,710.72 × 55,950.08
4. Step 4: Simplify right side
   105,843.20x = 8,879,877,480.86
5. Step 5: Solve for x
   x = 8,879,877,480.86/105,843.20
6. Step 6: Final answer
   x = 83,896.53