Finding the Fourth Proportional to 80,566.72, 111,195.39 and 67,116.67

Step by Step Solution

1. Step 1: Write the proportion equation
   80,566.72 : 111,195.39 = 67,116.67 : x
2. Step 2: Convert to fraction form
   80,566.72/111,195.39 = 67,116.67/x
3. Step 3: Cross multiply
   80,566.72x = 111,195.39 × 67,116.67
4. Step 4: Simplify right side
   80,566.72x = 7,463,064,296.15
5. Step 5: Solve for x
   x = 7,463,064,296.15/80,566.72
6. Step 6: Final answer
   x = 92,632.10