Finding the Fourth Proportional to 196,768.94, 271,539.86 and 111,886

Step by Step Solution

1. Step 1: Write the proportion equation
   196,768.94 : 271,539.86 = 111,886 : x
2. Step 2: Convert to fraction form
   196,768.94/271,539.86 = 111,886/x
3. Step 3: Cross multiply
   196,768.94x = 271,539.86 × 111,886
4. Step 4: Simplify right side
   196,768.94x = 30,381,508,775.96
5. Step 5: Solve for x
   x = 30,381,508,775.96/196,768.94
6. Step 6: Final answer
   x = 154,401.95