Finding the Fourth Proportional to 9,831.77, 14,747.75 and 3,591.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,831.77 : 14,747.75 = 3,591.72 : x
2. Step 2: Convert to fraction form
   9,831.77/14,747.75 = 3,591.72/x
3. Step 3: Cross multiply
   9,831.77x = 14,747.75 × 3,591.72
4. Step 4: Simplify right side
   9,831.77x = 52,969,770.67
5. Step 5: Solve for x
   x = 52,969,770.67/9,831.77
6. Step 6: Final answer
   x = 5,387.62