Finding the Fourth Proportional to 3,727.86, 5,144.72 and 2,134.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.86 : 5,144.72 = 2,134.49 : x
2. Step 2: Convert to fraction form
   3,727.86/5,144.72 = 2,134.49/x
3. Step 3: Cross multiply
   3,727.86x = 5,144.72 × 2,134.49
4. Step 4: Simplify right side
   3,727.86x = 10,981,317.00
5. Step 5: Solve for x
   x = 10,981,317.00/3,727.86
6. Step 6: Final answer
   x = 2,945.75