Finding the Fourth Proportional to 3,743.68, 5,166.31 and 2,065.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,743.68 : 5,166.31 = 2,065.15 : x
2. Step 2: Convert to fraction form
   3,743.68/5,166.31 = 2,065.15/x
3. Step 3: Cross multiply
   3,743.68x = 5,166.31 × 2,065.15
4. Step 4: Simplify right side
   3,743.68x = 10,669,205.10
5. Step 5: Solve for x
   x = 10,669,205.10/3,743.68
6. Step 6: Final answer
   x = 2,849.92