Finding the Fourth Proportional to 3,708.52, 5,119.61 and 2,136.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,708.52 : 5,119.61 = 2,136.31 : x
2. Step 2: Convert to fraction form
   3,708.52/5,119.61 = 2,136.31/x
3. Step 3: Cross multiply
   3,708.52x = 5,119.61 × 2,136.31
4. Step 4: Simplify right side
   3,708.52x = 10,937,050.56
5. Step 5: Solve for x
   x = 10,937,050.56/3,708.52
6. Step 6: Final answer
   x = 2,949.17