Finding the Fourth Proportional to 10,966.50, 16,450.56 and 3,570.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,966.50 : 16,450.56 = 3,570.39 : x
2. Step 2: Convert to fraction form
   10,966.50/16,450.56 = 3,570.39/x
3. Step 3: Cross multiply
   10,966.50x = 16,450.56 × 3,570.39
4. Step 4: Simplify right side
   10,966.50x = 58,734,914.92
5. Step 5: Solve for x
   x = 58,734,914.92/10,966.50
6. Step 6: Final answer
   x = 5,355.85