Finding the Fourth Proportional to 2,787.49, 4,185.33 and 1,327.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787.49 : 4,185.33 = 1,327.69 : x
2. Step 2: Convert to fraction form
   2,787.49/4,185.33 = 1,327.69/x
3. Step 3: Cross multiply
   2,787.49x = 4,185.33 × 1,327.69
4. Step 4: Simplify right side
   2,787.49x = 5,556,820.79
5. Step 5: Solve for x
   x = 5,556,820.79/2,787.49
6. Step 6: Final answer
   x = 1,993.49