Finding the Fourth Proportional to 300,943.14, 451,473.71 and 111,404.96

Step by Step Solution

1. Step 1: Write the proportion equation
   300,943.14 : 451,473.71 = 111,404.96 : x
2. Step 2: Convert to fraction form
   300,943.14/451,473.71 = 111,404.96/x
3. Step 3: Cross multiply
   300,943.14x = 451,473.71 × 111,404.96
4. Step 4: Simplify right side
   300,943.14x = 50,296,410,603.60
5. Step 5: Solve for x
   x = 50,296,410,603.60/300,943.14
6. Step 6: Final answer
   x = 167,129.28