Finding the Fourth Proportional to 2,380.30, 3,284.82 and 1,318.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.30 : 3,284.82 = 1,318.14 : x
2. Step 2: Convert to fraction form
   2,380.30/3,284.82 = 1,318.14/x
3. Step 3: Cross multiply
   2,380.30x = 3,284.82 × 1,318.14
4. Step 4: Simplify right side
   2,380.30x = 4,329,852.63
5. Step 5: Solve for x
   x = 4,329,852.63/2,380.30
6. Step 6: Final answer
   x = 1,819.04