Finding the Fourth Proportional to 67,519.39, 101,270.69 and 42,221.11

Step by Step Solution

1. Step 1: Write the proportion equation
   67,519.39 : 101,270.69 = 42,221.11 : x
2. Step 2: Convert to fraction form
   67,519.39/101,270.69 = 42,221.11/x
3. Step 3: Cross multiply
   67,519.39x = 101,270.69 × 42,221.11
4. Step 4: Simplify right side
   67,519.39x = 4,275,760,942.27
5. Step 5: Solve for x
   x = 4,275,760,942.27/67,519.39
6. Step 6: Final answer
   x = 63,326.42