Finding the Fourth Proportional to 139,803, 192,935.82 and 80,190.84

Step by Step Solution

1. Step 1: Write the proportion equation
   139,803 : 192,935.82 = 80,190.84 : x
2. Step 2: Convert to fraction form
   139,803/192,935.82 = 80,190.84/x
3. Step 3: Cross multiply
   139,803x = 192,935.82 × 80,190.84
4. Step 4: Simplify right side
   139,803x = 15,471,685,471.89
5. Step 5: Solve for x
   x = 15,471,685,471.89/139,803
6. Step 6: Final answer
   x = 110,667.76