Finding the Fourth Proportional to 196,656.97, 271,409.94 and 111,786.79

Step by Step Solution

1. Step 1: Write the proportion equation
   196,656.97 : 271,409.94 = 111,786.79 : x
2. Step 2: Convert to fraction form
   196,656.97/271,409.94 = 111,786.79/x
3. Step 3: Cross multiply
   196,656.97x = 271,409.94 × 111,786.79
4. Step 4: Simplify right side
   196,656.97x = 30,340,045,966.69
5. Step 5: Solve for x
   x = 30,340,045,966.69/196,656.97
6. Step 6: Final answer
   x = 154,279.03