Finding the Fourth Proportional to 10,407.27, 15,609.37 and 3,831.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,407.27 : 15,609.37 = 3,831.93 : x
2. Step 2: Convert to fraction form
   10,407.27/15,609.37 = 3,831.93/x
3. Step 3: Cross multiply
   10,407.27x = 15,609.37 × 3,831.93
4. Step 4: Simplify right side
   10,407.27x = 59,814,013.18
5. Step 5: Solve for x
   x = 59,814,013.18/10,407.27
6. Step 6: Final answer
   x = 5,747.33