Finding the Fourth Proportional to 11,831.27, 16,328.89 and 7,797.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,831.27 : 16,328.89 = 7,797.47 : x
2. Step 2: Convert to fraction form
   11,831.27/16,328.89 = 7,797.47/x
3. Step 3: Cross multiply
   11,831.27x = 16,328.89 × 7,797.47
4. Step 4: Simplify right side
   11,831.27x = 127,323,958.01
5. Step 5: Solve for x
   x = 127,323,958.01/11,831.27
6. Step 6: Final answer
   x = 10,761.65