Finding the Fourth Proportional to 73,144.89, 109,719.50 and 50,633.37

Step by Step Solution

1. Step 1: Write the proportion equation
   73,144.89 : 109,719.50 = 50,633.37 : x
2. Step 2: Convert to fraction form
   73,144.89/109,719.50 = 50,633.37/x
3. Step 3: Cross multiply
   73,144.89x = 109,719.50 × 50,633.37
4. Step 4: Simplify right side
   73,144.89x = 5,555,467,786.55
5. Step 5: Solve for x
   x = 5,555,467,786.55/73,144.89
6. Step 6: Final answer
   x = 75,951.55