Finding the Fourth Proportional to 331,872.72, 497,808.06 and 82,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   331,872.72 : 497,808.06 = 82,554.72 : x
2. Step 2: Convert to fraction form
   331,872.72/497,808.06 = 82,554.72/x
3. Step 3: Cross multiply
   331,872.72x = 497,808.06 × 82,554.72
4. Step 4: Simplify right side
   331,872.72x = 41,096,405,007.04
5. Step 5: Solve for x
   x = 41,096,405,007.04/331,872.72
6. Step 6: Final answer
   x = 123,831.83