Finding the Fourth Proportional to 2,381.58, 3,286.80 and 1,333.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.58 : 3,286.80 = 1,333.98 : x
2. Step 2: Convert to fraction form
   2,381.58/3,286.80 = 1,333.98/x
3. Step 3: Cross multiply
   2,381.58x = 3,286.80 × 1,333.98
4. Step 4: Simplify right side
   2,381.58x = 4,384,525.46
5. Step 5: Solve for x
   x = 4,384,525.46/2,381.58
6. Step 6: Final answer
   x = 1,841.02