Finding the Fourth Proportional to 10,571.91, 15,855.03 and 3,174.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,571.91 : 15,855.03 = 3,174.72 : x
2. Step 2: Convert to fraction form
   10,571.91/15,855.03 = 3,174.72/x
3. Step 3: Cross multiply
   10,571.91x = 15,855.03 × 3,174.72
4. Step 4: Simplify right side
   10,571.91x = 50,335,280.84
5. Step 5: Solve for x
   x = 50,335,280.84/10,571.91
6. Step 6: Final answer
   x = 4,761.23