Finding the Fourth Proportional to 67,679.69, 101,540.29 and 30,271.23

Step by Step Solution

1. Step 1: Write the proportion equation
   67,679.69 : 101,540.29 = 30,271.23 : x
2. Step 2: Convert to fraction form
   67,679.69/101,540.29 = 30,271.23/x
3. Step 3: Cross multiply
   67,679.69x = 101,540.29 × 30,271.23
4. Step 4: Simplify right side
   67,679.69x = 3,073,749,472.86
5. Step 5: Solve for x
   x = 3,073,749,472.86/67,679.69
6. Step 6: Final answer
   x = 45,416.13