Finding the Fourth Proportional to 10,974.26, 16,464.02 and 3,578.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,974.26 : 16,464.02 = 3,578.55 : x
2. Step 2: Convert to fraction form
   10,974.26/16,464.02 = 3,578.55/x
3. Step 3: Cross multiply
   10,974.26x = 16,464.02 × 3,578.55
4. Step 4: Simplify right side
   10,974.26x = 58,917,300.88
5. Step 5: Solve for x
   x = 58,917,300.88/10,974.26
6. Step 6: Final answer
   x = 5,368.68