Finding the Fourth Proportional to 146,021.37, 201,507.42 and 82,379.67

Step by Step Solution

1. Step 1: Write the proportion equation
   146,021.37 : 201,507.42 = 82,379.67 : x
2. Step 2: Convert to fraction form
   146,021.37/201,507.42 = 82,379.67/x
3. Step 3: Cross multiply
   146,021.37x = 201,507.42 × 82,379.67
4. Step 4: Simplify right side
   146,021.37x = 16,600,114,762.15
5. Step 5: Solve for x
   x = 16,600,114,762.15/146,021.37
6. Step 6: Final answer
   x = 113,682.78