Finding the Fourth Proportional to 10,146.74, 15,216.01 and 3,571.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,146.74 : 15,216.01 = 3,571.38 : x
2. Step 2: Convert to fraction form
   10,146.74/15,216.01 = 3,571.38/x
3. Step 3: Cross multiply
   10,146.74x = 15,216.01 × 3,571.38
4. Step 4: Simplify right side
   10,146.74x = 54,342,144.87
5. Step 5: Solve for x
   x = 54,342,144.87/10,146.74
6. Step 6: Final answer
   x = 5,355.63