Finding the Fourth Proportional to 331,914.72, 497,872.18 and 82,596.72

Step by Step Solution

1. Step 1: Write the proportion equation
   331,914.72 : 497,872.18 = 82,596.72 : x
2. Step 2: Convert to fraction form
   331,914.72/497,872.18 = 82,596.72/x
3. Step 3: Cross multiply
   331,914.72x = 497,872.18 × 82,596.72
4. Step 4: Simplify right side
   331,914.72x = 41,122,609,047.25
5. Step 5: Solve for x
   x = 41,122,609,047.25/331,914.72
6. Step 6: Final answer
   x = 123,895.10