Finding the Fourth Proportional to 10,448.94, 15,673.86 and 3,871.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,448.94 : 15,673.86 = 3,871.56 : x
2. Step 2: Convert to fraction form
   10,448.94/15,673.86 = 3,871.56/x
3. Step 3: Cross multiply
   10,448.94x = 15,673.86 × 3,871.56
4. Step 4: Simplify right side
   10,448.94x = 60,682,289.42
5. Step 5: Solve for x
   x = 60,682,289.42/10,448.94
6. Step 6: Final answer
   x = 5,807.51