Finding the Fourth Proportional to 449,300.72, 673,725.72 and 149,675.96

Step by Step Solution

1. Step 1: Write the proportion equation
   449,300.72 : 673,725.72 = 149,675.96 : x
2. Step 2: Convert to fraction form
   449,300.72/673,725.72 = 149,675.96/x
3. Step 3: Cross multiply
   449,300.72x = 673,725.72 × 149,675.96
4. Step 4: Simplify right side
   449,300.72x = 100,840,543,917.69
5. Step 5: Solve for x
   x = 100,840,543,917.69/449,300.72
6. Step 6: Final answer
   x = 224,438.87