Finding the Fourth Proportional to 331,834.79, 497,754.17 and 82,516.79

Step by Step Solution

1. Step 1: Write the proportion equation
   331,834.79 : 497,754.17 = 82,516.79 : x
2. Step 2: Convert to fraction form
   331,834.79/497,754.17 = 82,516.79/x
3. Step 3: Cross multiply
   331,834.79x = 497,754.17 × 82,516.79
4. Step 4: Simplify right side
   331,834.79x = 41,073,076,317.51
5. Step 5: Solve for x
   x = 41,073,076,317.51/331,834.79
6. Step 6: Final answer
   x = 123,775.68