Finding the Fourth Proportional to 9,831.61, 14,749.61 and 3,591.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,831.61 : 14,749.61 = 3,591.62 : x
2. Step 2: Convert to fraction form
   9,831.61/14,749.61 = 3,591.62/x
3. Step 3: Cross multiply
   9,831.61x = 14,749.61 × 3,591.62
4. Step 4: Simplify right side
   9,831.61x = 52,974,994.27
5. Step 5: Solve for x
   x = 52,974,994.27/9,831.61
6. Step 6: Final answer
   x = 5,388.23