Finding the Fourth Proportional to 9,645.24, 13,310.04 and 5,453.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,645.24 : 13,310.04 = 5,453.56 : x
2. Step 2: Convert to fraction form
   9,645.24/13,310.04 = 5,453.56/x
3. Step 3: Cross multiply
   9,645.24x = 13,310.04 × 5,453.56
4. Step 4: Simplify right side
   9,645.24x = 72,587,101.74
5. Step 5: Solve for x
   x = 72,587,101.74/9,645.24
6. Step 6: Final answer
   x = 7,525.69