Finding the Fourth Proportional to 196,093.45, 270,603.71 and 111,208.69

Step by Step Solution

1. Step 1: Write the proportion equation
   196,093.45 : 270,603.71 = 111,208.69 : x
2. Step 2: Convert to fraction form
   196,093.45/270,603.71 = 111,208.69/x
3. Step 3: Cross multiply
   196,093.45x = 270,603.71 × 111,208.69
4. Step 4: Simplify right side
   196,093.45x = 30,093,482,865.69
5. Step 5: Solve for x
   x = 30,093,482,865.69/196,093.45
6. Step 6: Final answer
   x = 153,465.01