Finding the Fourth Proportional to 142,456.05, 213,621.71 and 67,597.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,456.05 : 213,621.71 = 67,597.52 : x
2. Step 2: Convert to fraction form
   142,456.05/213,621.71 = 67,597.52/x
3. Step 3: Cross multiply
   142,456.05x = 213,621.71 × 67,597.52
4. Step 4: Simplify right side
   142,456.05x = 14,440,296,408.06
5. Step 5: Solve for x
   x = 14,440,296,408.06/142,456.05
6. Step 6: Final answer
   x = 101,366.68