Finding the Fourth Proportional to 142,530.37, 196,712.67 and 82,089.25

Step by Step Solution

1. Step 1: Write the proportion equation
   142,530.37 : 196,712.67 = 82,089.25 : x
2. Step 2: Convert to fraction form
   142,530.37/196,712.67 = 82,089.25/x
3. Step 3: Cross multiply
   142,530.37x = 196,712.67 × 82,089.25
4. Step 4: Simplify right side
   142,530.37x = 16,147,995,545.80
5. Step 5: Solve for x
   x = 16,147,995,545.80/142,530.37
6. Step 6: Final answer
   x = 113,295.12