Finding the Fourth Proportional to 271,974.89, 407,821.53 and 122,086.10

Step by Step Solution

1. Step 1: Write the proportion equation
   271,974.89 : 407,821.53 = 122,086.10 : x
2. Step 2: Convert to fraction form
   271,974.89/407,821.53 = 122,086.10/x
3. Step 3: Cross multiply
   271,974.89x = 407,821.53 × 122,086.10
4. Step 4: Simplify right side
   271,974.89x = 49,789,338,054.63
5. Step 5: Solve for x
   x = 49,789,338,054.63/271,974.89
6. Step 6: Final answer
   x = 183,065.94