Finding the Fourth Proportional to 195,949.39, 270,431.31 and 111,057.34

Step by Step Solution

1. Step 1: Write the proportion equation
   195,949.39 : 270,431.31 = 111,057.34 : x
2. Step 2: Convert to fraction form
   195,949.39/270,431.31 = 111,057.34/x
3. Step 3: Cross multiply
   195,949.39x = 270,431.31 × 111,057.34
4. Step 4: Simplify right side
   195,949.39x = 30,033,381,941.32
5. Step 5: Solve for x
   x = 30,033,381,941.32/195,949.39
6. Step 6: Final answer
   x = 153,271.12