Finding the Fourth Proportional to 300,123.37, 450,018.87 and 122,754.94

Step by Step Solution

1. Step 1: Write the proportion equation
   300,123.37 : 450,018.87 = 122,754.94 : x
2. Step 2: Convert to fraction form
   300,123.37/450,018.87 = 122,754.94/x
3. Step 3: Cross multiply
   300,123.37x = 450,018.87 × 122,754.94
4. Step 4: Simplify right side
   300,123.37x = 55,242,039,385.72
5. Step 5: Solve for x
   x = 55,242,039,385.72/300,123.37
6. Step 6: Final answer
   x = 184,064.44