Finding the Fourth Proportional to 2,381.42, 3,286.37 and 1,333.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.42 : 3,286.37 = 1,333.49 : x
2. Step 2: Convert to fraction form
   2,381.42/3,286.37 = 1,333.49/x
3. Step 3: Cross multiply
   2,381.42x = 3,286.37 × 1,333.49
4. Step 4: Simplify right side
   2,381.42x = 4,382,328.43
5. Step 5: Solve for x
   x = 4,382,328.43/2,381.42
6. Step 6: Final answer
   x = 1,840.21