Finding the Fourth Proportional to 2,745.90, 3,787.98 and 1,960.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,745.90 : 3,787.98 = 1,960.42 : x
2. Step 2: Convert to fraction form
   2,745.90/3,787.98 = 1,960.42/x
3. Step 3: Cross multiply
   2,745.90x = 3,787.98 × 1,960.42
4. Step 4: Simplify right side
   2,745.90x = 7,426,031.75
5. Step 5: Solve for x
   x = 7,426,031.75/2,745.90
6. Step 6: Final answer
   x = 2,704.41