Finding the Fourth Proportional to 3,757.96, 5,185.87 and 2,079.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,757.96 : 5,185.87 = 2,079.31 : x
2. Step 2: Convert to fraction form
   3,757.96/5,185.87 = 2,079.31/x
3. Step 3: Cross multiply
   3,757.96x = 5,185.87 × 2,079.31
4. Step 4: Simplify right side
   3,757.96x = 10,783,031.35
5. Step 5: Solve for x
   x = 10,783,031.35/3,757.96
6. Step 6: Final answer
   x = 2,869.39