Finding the Fourth Proportional to 139,369.94, 192,307.72 and 82,057.56

Step by Step Solution

1. Step 1: Write the proportion equation
   139,369.94 : 192,307.72 = 82,057.56 : x
2. Step 2: Convert to fraction form
   139,369.94/192,307.72 = 82,057.56/x
3. Step 3: Cross multiply
   139,369.94x = 192,307.72 × 82,057.56
4. Step 4: Simplify right side
   139,369.94x = 15,780,302,272.36
5. Step 5: Solve for x
   x = 15,780,302,272.36/139,369.94
6. Step 6: Final answer
   x = 113,226.01