Finding the Fourth Proportional to 10,974.42, 16,459.94 and 3,578.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,974.42 : 16,459.94 = 3,578.86 : x
2. Step 2: Convert to fraction form
   10,974.42/16,459.94 = 3,578.86/x
3. Step 3: Cross multiply
   10,974.42x = 16,459.94 × 3,578.86
4. Step 4: Simplify right side
   10,974.42x = 58,907,820.87
5. Step 5: Solve for x
   x = 58,907,820.87/10,974.42
6. Step 6: Final answer
   x = 5,367.74