Finding the Fourth Proportional to 10,578.24, 15,868.16 and 3,558.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,578.24 : 15,868.16 = 3,558.27 : x
2. Step 2: Convert to fraction form
   10,578.24/15,868.16 = 3,558.27/x
3. Step 3: Cross multiply
   10,578.24x = 15,868.16 × 3,558.27
4. Step 4: Simplify right side
   10,578.24x = 56,463,179.89
5. Step 5: Solve for x
   x = 56,463,179.89/10,578.24
6. Step 6: Final answer
   x = 5,337.67