Finding the Fourth Proportional to 10,952.80, 16,429.43 and 3,557.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,952.80 : 16,429.43 = 3,557.23 : x
2. Step 2: Convert to fraction form
   10,952.80/16,429.43 = 3,557.23/x
3. Step 3: Cross multiply
   10,952.80x = 16,429.43 × 3,557.23
4. Step 4: Simplify right side
   10,952.80x = 58,443,229.10
5. Step 5: Solve for x
   x = 58,443,229.10/10,952.80
6. Step 6: Final answer
   x = 5,335.92