Finding the Fourth Proportional to 196,300.34, 270,902.61 and 111,425.30

Step by Step Solution

1. Step 1: Write the proportion equation
   196,300.34 : 270,902.61 = 111,425.30 : x
2. Step 2: Convert to fraction form
   196,300.34/270,902.61 = 111,425.30/x
3. Step 3: Cross multiply
   196,300.34x = 270,902.61 × 111,425.30
4. Step 4: Simplify right side
   196,300.34x = 30,185,404,590.03
5. Step 5: Solve for x
   x = 30,185,404,590.03/196,300.34
6. Step 6: Final answer
   x = 153,771.53