Finding the Fourth Proportional to 9,645.27, 13,310.29 and 5,453.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,645.27 : 13,310.29 = 5,453.52 : x
2. Step 2: Convert to fraction form
   9,645.27/13,310.29 = 5,453.52/x
3. Step 3: Cross multiply
   9,645.27x = 13,310.29 × 5,453.52
4. Step 4: Simplify right side
   9,645.27x = 72,587,932.72
5. Step 5: Solve for x
   x = 72,587,932.72/9,645.27
6. Step 6: Final answer
   x = 7,525.75