Finding the Fourth Proportional to 9,831.70, 14,742.42 and 3,591.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,831.70 : 14,742.42 = 3,591.46 : x
2. Step 2: Convert to fraction form
   9,831.70/14,742.42 = 3,591.46/x
3. Step 3: Cross multiply
   9,831.70x = 14,742.42 × 3,591.46
4. Step 4: Simplify right side
   9,831.70x = 52,946,811.73
5. Step 5: Solve for x
   x = 52,946,811.73/9,831.70
6. Step 6: Final answer
   x = 5,385.32