Finding the Fourth Proportional to 10,970.10, 16,456.50 and 3,572.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,970.10 : 16,456.50 = 3,572.57 : x
2. Step 2: Convert to fraction form
   10,970.10/16,456.50 = 3,572.57/x
3. Step 3: Cross multiply
   10,970.10x = 16,456.50 × 3,572.57
4. Step 4: Simplify right side
   10,970.10x = 58,792,039.35
5. Step 5: Solve for x
   x = 58,792,039.35/10,970.10
6. Step 6: Final answer
   x = 5,359.30