Finding the Fourth Proportional to 139,960.50, 193,170.81 and 82,596.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,960.50 : 193,170.81 = 82,596.30 : x
2. Step 2: Convert to fraction form
   139,960.50/193,170.81 = 82,596.30/x
3. Step 3: Cross multiply
   139,960.50x = 193,170.81 × 82,596.30
4. Step 4: Simplify right side
   139,960.50x = 15,955,194,174.00
5. Step 5: Solve for x
   x = 15,955,194,174.00/139,960.50
6. Step 6: Final answer
   x = 113,997.84