Finding the Fourth Proportional to 120,632.48, 166,559.10 and 80,441

Step by Step Solution

1. Step 1: Write the proportion equation
   120,632.48 : 166,559.10 = 80,441 : x
2. Step 2: Convert to fraction form
   120,632.48/166,559.10 = 80,441/x
3. Step 3: Cross multiply
   120,632.48x = 166,559.10 × 80,441
4. Step 4: Simplify right side
   120,632.48x = 13,398,180,563.10
5. Step 5: Solve for x
   x = 13,398,180,563.10/120,632.48
6. Step 6: Final answer
   x = 111,066.11