Finding the Fourth Proportional to 9,423.20, 14,141.82 and 3,591.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423.20 : 14,141.82 = 3,591.20 : x
2. Step 2: Convert to fraction form
   9,423.20/14,141.82 = 3,591.20/x
3. Step 3: Cross multiply
   9,423.20x = 14,141.82 × 3,591.20
4. Step 4: Simplify right side
   9,423.20x = 50,786,103.98
5. Step 5: Solve for x
   x = 50,786,103.98/9,423.20
6. Step 6: Final answer
   x = 5,389.48