Finding the Fourth Proportional to 9,975.29, 13,766.36 and 5,499.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,975.29 : 13,766.36 = 5,499.09 : x
2. Step 2: Convert to fraction form
   9,975.29/13,766.36 = 5,499.09/x
3. Step 3: Cross multiply
   9,975.29x = 13,766.36 × 5,499.09
4. Step 4: Simplify right side
   9,975.29x = 75,702,425.12
5. Step 5: Solve for x
   x = 75,702,425.12/9,975.29
6. Step 6: Final answer
   x = 7,589.00