Finding the Fourth Proportional to 271,842.89, 407,820.83 and 82,313.82

Step by Step Solution

1. Step 1: Write the proportion equation
   271,842.89 : 407,820.83 = 82,313.82 : x
2. Step 2: Convert to fraction form
   271,842.89/407,820.83 = 82,313.82/x
3. Step 3: Cross multiply
   271,842.89x = 407,820.83 × 82,313.82
4. Step 4: Simplify right side
   271,842.89x = 33,569,289,981.30
5. Step 5: Solve for x
   x = 33,569,289,981.30/271,842.89
6. Step 6: Final answer
   x = 123,487.84