Finding the Fourth Proportional to 10,128.24, 15,197.04 and 3,886.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128.24 : 15,197.04 = 3,886.17 : x
2. Step 2: Convert to fraction form
   10,128.24/15,197.04 = 3,886.17/x
3. Step 3: Cross multiply
   10,128.24x = 15,197.04 × 3,886.17
4. Step 4: Simplify right side
   10,128.24x = 59,058,280.94
5. Step 5: Solve for x
   x = 59,058,280.94/10,128.24
6. Step 6: Final answer
   x = 5,831.05