Finding the Fourth Proportional to 331,844.72, 497,767 and 82,526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   331,844.72 : 497,767 = 82,526.72 : x
2. Step 2: Convert to fraction form
   331,844.72/497,767 = 82,526.72/x
3. Step 3: Cross multiply
   331,844.72x = 497,767 × 82,526.72
4. Step 4: Simplify right side
   331,844.72x = 41,079,077,834.24
5. Step 5: Solve for x
   x = 41,079,077,834.24/331,844.72
6. Step 6: Final answer
   x = 123,790.06