Finding the Fourth Proportional to 196,785.96, 271,563.24 and 111,903

Step by Step Solution

1. Step 1: Write the proportion equation
   196,785.96 : 271,563.24 = 111,903 : x
2. Step 2: Convert to fraction form
   196,785.96/271,563.24 = 111,903/x
3. Step 3: Cross multiply
   196,785.96x = 271,563.24 × 111,903
4. Step 4: Simplify right side
   196,785.96x = 30,388,741,245.72
5. Step 5: Solve for x
   x = 30,388,741,245.72/196,785.96
6. Step 6: Final answer
   x = 154,425.35