Finding the Fourth Proportional to 67,608.72, 101,408.22 and 30,172.14

Step by Step Solution

1. Step 1: Write the proportion equation
   67,608.72 : 101,408.22 = 30,172.14 : x
2. Step 2: Convert to fraction form
   67,608.72/101,408.22 = 30,172.14/x
3. Step 3: Cross multiply
   67,608.72x = 101,408.22 × 30,172.14
4. Step 4: Simplify right side
   67,608.72x = 3,059,703,010.99
5. Step 5: Solve for x
   x = 3,059,703,010.99/67,608.72
6. Step 6: Final answer
   x = 45,256.04