Finding the Fourth Proportional to 2,381.73, 3,286.89 and 1,333.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.73 : 3,286.89 = 1,333.79 : x
2. Step 2: Convert to fraction form
   2,381.73/3,286.89 = 1,333.79/x
3. Step 3: Cross multiply
   2,381.73x = 3,286.89 × 1,333.79
4. Step 4: Simplify right side
   2,381.73x = 4,383,997.91
5. Step 5: Solve for x
   x = 4,383,997.91/2,381.73
6. Step 6: Final answer
   x = 1,840.68