Finding the Fourth Proportional to 196,536.56, 271,221.48 and 111,658.48

Step by Step Solution

1. Step 1: Write the proportion equation
   196,536.56 : 271,221.48 = 111,658.48 : x
2. Step 2: Convert to fraction form
   196,536.56/271,221.48 = 111,658.48/x
3. Step 3: Cross multiply
   196,536.56x = 271,221.48 × 111,658.48
4. Step 4: Simplify right side
   196,536.56x = 30,284,178,200.15
5. Step 5: Solve for x
   x = 30,284,178,200.15/196,536.56
6. Step 6: Final answer
   x = 154,089.29