Finding the Fourth Proportional to 447,429.98, 617,453.46 and 246,225.98

Step by Step Solution

1. Step 1: Write the proportion equation
   447,429.98 : 617,453.46 = 246,225.98 : x
2. Step 2: Convert to fraction form
   447,429.98/617,453.46 = 246,225.98/x
3. Step 3: Cross multiply
   447,429.98x = 617,453.46 × 246,225.98
4. Step 4: Simplify right side
   447,429.98x = 152,033,083,292.89
5. Step 5: Solve for x
   x = 152,033,083,292.89/447,429.98
6. Step 6: Final answer
   x = 339,791.90