Finding the Fourth Proportional to 9,831.09, 13,566.84 and 5,354.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,831.09 : 13,566.84 = 5,354.83 : x
2. Step 2: Convert to fraction form
   9,831.09/13,566.84 = 5,354.83/x
3. Step 3: Cross multiply
   9,831.09x = 13,566.84 × 5,354.83
4. Step 4: Simplify right side
   9,831.09x = 72,648,121.84
5. Step 5: Solve for x
   x = 72,648,121.84/9,831.09
6. Step 6: Final answer
   x = 7,389.63