Finding the Fourth Proportional to 300,807, 450,910.26 and 150,588.72

Step by Step Solution

1. Step 1: Write the proportion equation
   300,807 : 450,910.26 = 150,588.72 : x
2. Step 2: Convert to fraction form
   300,807/450,910.26 = 150,588.72/x
3. Step 3: Cross multiply
   300,807x = 450,910.26 × 150,588.72
4. Step 4: Simplify right side
   300,807x = 67,901,998,888.27
5. Step 5: Solve for x
   x = 67,901,998,888.27/300,807
6. Step 6: Final answer
   x = 225,732.78