Finding the Fourth Proportional to 2,286.68, 3,154.38 and 1,445.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.68 : 3,154.38 = 1,445.82 : x
2. Step 2: Convert to fraction form
   2,286.68/3,154.38 = 1,445.82/x
3. Step 3: Cross multiply
   2,286.68x = 3,154.38 × 1,445.82
4. Step 4: Simplify right side
   2,286.68x = 4,560,665.69
5. Step 5: Solve for x
   x = 4,560,665.69/2,286.68
6. Step 6: Final answer
   x = 1,994.45