Finding the Fourth Proportional to 196,540.98, 271,233.82 and 111,672.42

Step by Step Solution

1. Step 1: Write the proportion equation
   196,540.98 : 271,233.82 = 111,672.42 : x
2. Step 2: Convert to fraction form
   196,540.98/271,233.82 = 111,672.42/x
3. Step 3: Cross multiply
   196,540.98x = 271,233.82 × 111,672.42
4. Step 4: Simplify right side
   196,540.98x = 30,289,337,065.24
5. Step 5: Solve for x
   x = 30,289,337,065.24/196,540.98
6. Step 6: Final answer
   x = 154,112.07