Finding the Fourth Proportional to 10,128.24, 15,192.27 and 3,552.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128.24 : 15,192.27 = 3,552.89 : x
2. Step 2: Convert to fraction form
   10,128.24/15,192.27 = 3,552.89/x
3. Step 3: Cross multiply
   10,128.24x = 15,192.27 × 3,552.89
4. Step 4: Simplify right side
   10,128.24x = 53,976,388.20
5. Step 5: Solve for x
   x = 53,976,388.20/10,128.24
6. Step 6: Final answer
   x = 5,329.30