Finding the Fourth Proportional to 196,016.42, 270,564.33 and 111,189.86

Step by Step Solution

1. Step 1: Write the proportion equation
   196,016.42 : 270,564.33 = 111,189.86 : x
2. Step 2: Convert to fraction form
   196,016.42/270,564.33 = 111,189.86/x
3. Step 3: Cross multiply
   196,016.42x = 270,564.33 × 111,189.86
4. Step 4: Simplify right side
   196,016.42x = 30,084,009,973.69
5. Step 5: Solve for x
   x = 30,084,009,973.69/196,016.42
6. Step 6: Final answer
   x = 153,476.99