Finding the Fourth Proportional to 9,909.48, 13,674.90 and 5,433.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,909.48 : 13,674.90 = 5,433.27 : x
2. Step 2: Convert to fraction form
   9,909.48/13,674.90 = 5,433.27/x
3. Step 3: Cross multiply
   9,909.48x = 13,674.90 × 5,433.27
4. Step 4: Simplify right side
   9,909.48x = 74,299,423.92
5. Step 5: Solve for x
   x = 74,299,423.92/9,909.48
6. Step 6: Final answer
   x = 7,497.81