Finding the Fourth Proportional to 196,081.68, 270,531 and 111,182.34

Step by Step Solution

1. Step 1: Write the proportion equation
   196,081.68 : 270,531 = 111,182.34 : x
2. Step 2: Convert to fraction form
   196,081.68/270,531 = 111,182.34/x
3. Step 3: Cross multiply
   196,081.68x = 270,531 × 111,182.34
4. Step 4: Simplify right side
   196,081.68x = 30,078,269,622.54
5. Step 5: Solve for x
   x = 30,078,269,622.54/196,081.68
6. Step 6: Final answer
   x = 153,396.63