Finding the Fourth Proportional to 250,731.27, 376,109.46 and 82,236.69

Step by Step Solution

1. Step 1: Write the proportion equation
   250,731.27 : 376,109.46 = 82,236.69 : x
2. Step 2: Convert to fraction form
   250,731.27/376,109.46 = 82,236.69/x
3. Step 3: Cross multiply
   250,731.27x = 376,109.46 × 82,236.69
4. Step 4: Simplify right side
   250,731.27x = 30,929,997,068.09
5. Step 5: Solve for x
   x = 30,929,997,068.09/250,731.27
6. Step 6: Final answer
   x = 123,359.15