Finding the Fourth Proportional to 715,962.56, 1,072,493.27 and 331,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   715,962.56 : 1,072,493.27 = 331,164.50 : x
2. Step 2: Convert to fraction form
   715,962.56/1,072,493.27 = 331,164.50/x
3. Step 3: Cross multiply
   715,962.56x = 1,072,493.27 × 331,164.50
4. Step 4: Simplify right side
   715,962.56x = 355,171,695,857.09
5. Step 5: Solve for x
   x = 355,171,695,857.09/715,962.56
6. Step 6: Final answer
   x = 496,075.79