Finding the Fourth Proportional to 106,255.86, 159,421.72 and 50,103.96

Step by Step Solution

1. Step 1: Write the proportion equation
   106,255.86 : 159,421.72 = 50,103.96 : x
2. Step 2: Convert to fraction form
   106,255.86/159,421.72 = 50,103.96/x
3. Step 3: Cross multiply
   106,255.86x = 159,421.72 × 50,103.96
4. Step 4: Simplify right side
   106,255.86x = 7,987,659,482.01
5. Step 5: Solve for x
   x = 7,987,659,482.01/106,255.86
6. Step 6: Final answer
   x = 75,173.83