Finding the Fourth Proportional to 196,074.56, 270,630.96 and 111,241.28

Step by Step Solution

1. Step 1: Write the proportion equation
   196,074.56 : 270,630.96 = 111,241.28 : x
2. Step 2: Convert to fraction form
   196,074.56/270,630.96 = 111,241.28/x
3. Step 3: Cross multiply
   196,074.56x = 270,630.96 × 111,241.28
4. Step 4: Simplify right side
   196,074.56x = 30,105,334,398.03
5. Step 5: Solve for x
   x = 30,105,334,398.03/196,074.56
6. Step 6: Final answer
   x = 153,540.24