Finding the Fourth Proportional to 9,524.69, 13,144.56 and 5,276.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,524.69 : 13,144.56 = 5,276.21 : x
2. Step 2: Convert to fraction form
   9,524.69/13,144.56 = 5,276.21/x
3. Step 3: Cross multiply
   9,524.69x = 13,144.56 × 5,276.21
4. Step 4: Simplify right side
   9,524.69x = 69,353,491.78
5. Step 5: Solve for x
   x = 69,353,491.78/9,524.69
6. Step 6: Final answer
   x = 7,281.45