Finding the Fourth Proportional to 449,006.50, 673,620.72 and 133,462.09

Step by Step Solution

1. Step 1: Write the proportion equation
   449,006.50 : 673,620.72 = 133,462.09 : x
2. Step 2: Convert to fraction form
   449,006.50/673,620.72 = 133,462.09/x
3. Step 3: Cross multiply
   449,006.50x = 673,620.72 × 133,462.09
4. Step 4: Simplify right side
   449,006.50x = 89,902,829,158.50
5. Step 5: Solve for x
   x = 89,902,829,158.50/449,006.50
6. Step 6: Final answer
   x = 200,226.12