Finding the Fourth Proportional to 196,769.52, 271,541.97 and 111,891.78

Step by Step Solution

1. Step 1: Write the proportion equation
   196,769.52 : 271,541.97 = 111,891.78 : x
2. Step 2: Convert to fraction form
   196,769.52/271,541.97 = 111,891.78/x
3. Step 3: Cross multiply
   196,769.52x = 271,541.97 × 111,891.78
4. Step 4: Simplify right side
   196,769.52x = 30,383,314,368.01
5. Step 5: Solve for x
   x = 30,383,314,368.01/196,769.52
6. Step 6: Final answer
   x = 154,410.67