Finding the Fourth Proportional to 10,578.49, 15,868.53 and 3,558.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,578.49 : 15,868.53 = 3,558.52 : x
2. Step 2: Convert to fraction form
   10,578.49/15,868.53 = 3,558.52/x
3. Step 3: Cross multiply
   10,578.49x = 15,868.53 × 3,558.52
4. Step 4: Simplify right side
   10,578.49x = 56,468,481.38
5. Step 5: Solve for x
   x = 56,468,481.38/10,578.49
6. Step 6: Final answer
   x = 5,338.05