Finding the Fourth Proportional to 142,408.20, 213,624.45 and 37,227

Step by Step Solution

1. Step 1: Write the proportion equation
   142,408.20 : 213,624.45 = 37,227 : x
2. Step 2: Convert to fraction form
   142,408.20/213,624.45 = 37,227/x
3. Step 3: Cross multiply
   142,408.20x = 213,624.45 × 37,227
4. Step 4: Simplify right side
   142,408.20x = 7,952,597,400.15
5. Step 5: Solve for x
   x = 7,952,597,400.15/142,408.20
6. Step 6: Final answer
   x = 55,843.68