Finding the Fourth Proportional to 196,653.97, 271,405.79 and 111,783.79

Step by Step Solution

1. Step 1: Write the proportion equation
   196,653.97 : 271,405.79 = 111,783.79 : x
2. Step 2: Convert to fraction form
   196,653.97/271,405.79 = 111,783.79/x
3. Step 3: Cross multiply
   196,653.97x = 271,405.79 × 111,783.79
4. Step 4: Simplify right side
   196,653.97x = 30,338,767,834.14
5. Step 5: Solve for x
   x = 30,338,767,834.14/196,653.97
6. Step 6: Final answer
   x = 154,274.88