Finding the Fourth Proportional to 10,969.98, 16,456.31 and 3,572.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,969.98 : 16,456.31 = 3,572.45 : x
2. Step 2: Convert to fraction form
   10,969.98/16,456.31 = 3,572.45/x
3. Step 3: Cross multiply
   10,969.98x = 16,456.31 × 3,572.45
4. Step 4: Simplify right side
   10,969.98x = 58,789,344.66
5. Step 5: Solve for x
   x = 58,789,344.66/10,969.98
6. Step 6: Final answer
   x = 5,359.11