Finding the Fourth Proportional to 3,839.94, 5,758.76 and 1,648.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.94 : 5,758.76 = 1,648.14 : x
2. Step 2: Convert to fraction form
   3,839.94/5,758.76 = 1,648.14/x
3. Step 3: Cross multiply
   3,839.94x = 5,758.76 × 1,648.14
4. Step 4: Simplify right side
   3,839.94x = 9,491,242.71
5. Step 5: Solve for x
   x = 9,491,242.71/3,839.94
6. Step 6: Final answer
   x = 2,471.72