Finding the Fourth Proportional to 3,710.10, 5,118.89 and 2,137.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.10 : 5,118.89 = 2,137.89 : x
2. Step 2: Convert to fraction form
   3,710.10/5,118.89 = 2,137.89/x
3. Step 3: Cross multiply
   3,710.10x = 5,118.89 × 2,137.89
4. Step 4: Simplify right side
   3,710.10x = 10,943,613.05
5. Step 5: Solve for x
   x = 10,943,613.05/3,710.10
6. Step 6: Final answer
   x = 2,949.68