Finding the Fourth Proportional to 195,969.38, 270,443.21 and 111,091.91

Step by Step Solution

1. Step 1: Write the proportion equation
   195,969.38 : 270,443.21 = 111,091.91 : x
2. Step 2: Convert to fraction form
   195,969.38/270,443.21 = 111,091.91/x
3. Step 3: Cross multiply
   195,969.38x = 270,443.21 × 111,091.91
4. Step 4: Simplify right side
   195,969.38x = 30,044,050,837.76
5. Step 5: Solve for x
   x = 30,044,050,837.76/195,969.38
6. Step 6: Final answer
   x = 153,309.93