Finding the Fourth Proportional to 9,909.06, 13,674.42 and 5,433.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,909.06 : 13,674.42 = 5,433.10 : x
2. Step 2: Convert to fraction form
   9,909.06/13,674.42 = 5,433.10/x
3. Step 3: Cross multiply
   9,909.06x = 13,674.42 × 5,433.10
4. Step 4: Simplify right side
   9,909.06x = 74,294,491.30
5. Step 5: Solve for x
   x = 74,294,491.30/9,909.06
6. Step 6: Final answer
   x = 7,497.63