Finding the Fourth Proportional to 196,813.98, 271,604.16 and 111,929.22

Step by Step Solution

1. Step 1: Write the proportion equation
   196,813.98 : 271,604.16 = 111,929.22 : x
2. Step 2: Convert to fraction form
   196,813.98/271,604.16 = 111,929.22/x
3. Step 3: Cross multiply
   196,813.98x = 271,604.16 × 111,929.22
4. Step 4: Simplify right side
   196,813.98x = 30,400,441,777.56
5. Step 5: Solve for x
   x = 30,400,441,777.56/196,813.98
6. Step 6: Final answer
   x = 154,462.82