Finding the Fourth Proportional to 331,869.72, 497,803.56 and 82,551.72

Step by Step Solution

1. Step 1: Write the proportion equation
   331,869.72 : 497,803.56 = 82,551.72 : x
2. Step 2: Convert to fraction form
   331,869.72/497,803.56 = 82,551.72/x
3. Step 3: Cross multiply
   331,869.72x = 497,803.56 × 82,551.72
4. Step 4: Simplify right side
   331,869.72x = 41,094,540,100.12
5. Step 5: Solve for x
   x = 41,094,540,100.12/331,869.72
6. Step 6: Final answer
   x = 123,827.33