Finding the Fourth Proportional to 67,456.07, 101,174.88 and 20,078.47

Step by Step Solution

1. Step 1: Write the proportion equation
   67,456.07 : 101,174.88 = 20,078.47 : x
2. Step 2: Convert to fraction form
   67,456.07/101,174.88 = 20,078.47/x
3. Step 3: Cross multiply
   67,456.07x = 101,174.88 × 20,078.47
4. Step 4: Simplify right side
   67,456.07x = 2,031,436,792.83
5. Step 5: Solve for x
   x = 2,031,436,792.83/67,456.07
6. Step 6: Final answer
   x = 30,114.96