Finding the Fourth Proportional to 300,955.06, 451,491.56 and 111,416.98

Step by Step Solution

1. Step 1: Write the proportion equation
   300,955.06 : 451,491.56 = 111,416.98 : x
2. Step 2: Convert to fraction form
   300,955.06/451,491.56 = 111,416.98/x
3. Step 3: Cross multiply
   300,955.06x = 451,491.56 × 111,416.98
4. Step 4: Simplify right side
   300,955.06x = 50,303,826,110.69
5. Step 5: Solve for x
   x = 50,303,826,110.69/300,955.06
6. Step 6: Final answer
   x = 167,147.30