Finding the Fourth Proportional to 9,831.62, 14,747.33 and 3,986.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,831.62 : 14,747.33 = 3,986.84 : x
2. Step 2: Convert to fraction form
   9,831.62/14,747.33 = 3,986.84/x
3. Step 3: Cross multiply
   9,831.62x = 14,747.33 × 3,986.84
4. Step 4: Simplify right side
   9,831.62x = 58,795,151.47
5. Step 5: Solve for x
   x = 58,795,151.47/9,831.62
6. Step 6: Final answer
   x = 5,980.21