Finding the Fourth Proportional to 9,544.48, 13,172.04 and 5,353

Step by Step Solution

1. Step 1: Write the proportion equation
   9,544.48 : 13,172.04 = 5,353 : x
2. Step 2: Convert to fraction form
   9,544.48/13,172.04 = 5,353/x
3. Step 3: Cross multiply
   9,544.48x = 13,172.04 × 5,353
4. Step 4: Simplify right side
   9,544.48x = 70,509,930.12
5. Step 5: Solve for x
   x = 70,509,930.12/9,544.48
6. Step 6: Final answer
   x = 7,387.51