Finding the Fourth Proportional to 67,148.24, 100,728.02 and 20,401.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,148.24 : 100,728.02 = 20,401.52 : x
2. Step 2: Convert to fraction form
   67,148.24/100,728.02 = 20,401.52/x
3. Step 3: Cross multiply
   67,148.24x = 100,728.02 × 20,401.52
4. Step 4: Simplify right side
   67,148.24x = 2,055,004,714.59
5. Step 5: Solve for x
   x = 2,055,004,714.59/67,148.24
6. Step 6: Final answer
   x = 30,604.00