Finding the Fourth Proportional to 300,123.25, 450,018.68 and 122,754.81

Step by Step Solution

1. Step 1: Write the proportion equation
   300,123.25 : 450,018.68 = 122,754.81 : x
2. Step 2: Convert to fraction form
   300,123.25/450,018.68 = 122,754.81/x
3. Step 3: Cross multiply
   300,123.25x = 450,018.68 × 122,754.81
4. Step 4: Simplify right side
   300,123.25x = 55,241,957,559.85
5. Step 5: Solve for x
   x = 55,241,957,559.85/300,123.25
6. Step 6: Final answer
   x = 184,064.24