Finding the Fourth Proportional to 10,974.78, 16,453.89 and 3,574.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,974.78 : 16,453.89 = 3,574.82 : x
2. Step 2: Convert to fraction form
   10,974.78/16,453.89 = 3,574.82/x
3. Step 3: Cross multiply
   10,974.78x = 16,453.89 × 3,574.82
4. Step 4: Simplify right side
   10,974.78x = 58,819,695.05
5. Step 5: Solve for x
   x = 58,819,695.05/10,974.78
6. Step 6: Final answer
   x = 5,359.53