Finding the Fourth Proportional to 9,831.16, 13,566.70 and 5,354.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,831.16 : 13,566.70 = 5,354.84 : x
2. Step 2: Convert to fraction form
   9,831.16/13,566.70 = 5,354.84/x
3. Step 3: Cross multiply
   9,831.16x = 13,566.70 × 5,354.84
4. Step 4: Simplify right side
   9,831.16x = 72,647,507.83
5. Step 5: Solve for x
   x = 72,647,507.83/9,831.16
6. Step 6: Final answer
   x = 7,389.52