Finding the Fourth Proportional to 196,833.78, 271,625.76 and 111,945.42

Step by Step Solution

1. Step 1: Write the proportion equation
   196,833.78 : 271,625.76 = 111,945.42 : x
2. Step 2: Convert to fraction form
   196,833.78/271,625.76 = 111,945.42/x
3. Step 3: Cross multiply
   196,833.78x = 271,625.76 × 111,945.42
4. Step 4: Simplify right side
   196,833.78x = 30,407,259,786.02
5. Step 5: Solve for x
   x = 30,407,259,786.02/196,833.78
6. Step 6: Final answer
   x = 154,481.92