Finding the Fourth Proportional to 2,381.82, 3,287.01 and 1,333.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.82 : 3,287.01 = 1,333.89 : x
2. Step 2: Convert to fraction form
   2,381.82/3,287.01 = 1,333.89/x
3. Step 3: Cross multiply
   2,381.82x = 3,287.01 × 1,333.89
4. Step 4: Simplify right side
   2,381.82x = 4,384,509.77
5. Step 5: Solve for x
   x = 4,384,509.77/2,381.82
6. Step 6: Final answer
   x = 1,840.82