Finding the Fourth Proportional to 139,715.59, 192,832.68 and 82,351.56

Step by Step Solution

1. Step 1: Write the proportion equation
   139,715.59 : 192,832.68 = 82,351.56 : x
2. Step 2: Convert to fraction form
   139,715.59/192,832.68 = 82,351.56/x
3. Step 3: Cross multiply
   139,715.59x = 192,832.68 × 82,351.56
4. Step 4: Simplify right side
   139,715.59x = 15,880,072,016.98
5. Step 5: Solve for x
   x = 15,880,072,016.98/139,715.59
6. Step 6: Final answer
   x = 113,659.99