Finding the Fourth Proportional to 300,644.46, 451,018.53 and 100,984.05

Step by Step Solution

1. Step 1: Write the proportion equation
   300,644.46 : 451,018.53 = 100,984.05 : x
2. Step 2: Convert to fraction form
   300,644.46/451,018.53 = 100,984.05/x
3. Step 3: Cross multiply
   300,644.46x = 451,018.53 × 100,984.05
4. Step 4: Simplify right side
   300,644.46x = 45,545,677,784.45
5. Step 5: Solve for x
   x = 45,545,677,784.45/300,644.46
6. Step 6: Final answer
   x = 151,493.49