Finding the Fourth Proportional to 111,452.56, 167,221.50 and 67,111

Step by Step Solution

1. Step 1: Write the proportion equation
   111,452.56 : 167,221.50 = 67,111 : x
2. Step 2: Convert to fraction form
   111,452.56/167,221.50 = 67,111/x
3. Step 3: Cross multiply
   111,452.56x = 167,221.50 × 67,111
4. Step 4: Simplify right side
   111,452.56x = 11,222,402,086.50
5. Step 5: Solve for x
   x = 11,222,402,086.50/111,452.56
6. Step 6: Final answer
   x = 100,692.19