Finding the Fourth Proportional to 300,953.06, 451,488.56 and 111,414.98

Step by Step Solution

1. Step 1: Write the proportion equation
   300,953.06 : 451,488.56 = 111,414.98 : x
2. Step 2: Convert to fraction form
   300,953.06/451,488.56 = 111,414.98/x
3. Step 3: Cross multiply
   300,953.06x = 451,488.56 × 111,414.98
4. Step 4: Simplify right side
   300,953.06x = 50,302,586,068.11
5. Step 5: Solve for x
   x = 50,302,586,068.11/300,953.06
6. Step 6: Final answer
   x = 167,144.29