Finding the Fourth Proportional to 139,810.96, 192,958.17 and 82,466.48

Step by Step Solution

1. Step 1: Write the proportion equation
   139,810.96 : 192,958.17 = 82,466.48 : x
2. Step 2: Convert to fraction form
   139,810.96/192,958.17 = 82,466.48/x
3. Step 3: Cross multiply
   139,810.96x = 192,958.17 × 82,466.48
4. Step 4: Simplify right side
   139,810.96x = 15,912,581,067.14
5. Step 5: Solve for x
   x = 15,912,581,067.14/139,810.96
6. Step 6: Final answer
   x = 113,814.98