Finding the Fourth Proportional to 9,531.35, 13,152.88 and 5,282.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,531.35 : 13,152.88 = 5,282.48 : x
2. Step 2: Convert to fraction form
   9,531.35/13,152.88 = 5,282.48/x
3. Step 3: Cross multiply
   9,531.35x = 13,152.88 × 5,282.48
4. Step 4: Simplify right side
   9,531.35x = 69,479,825.54
5. Step 5: Solve for x
   x = 69,479,825.54/9,531.35
6. Step 6: Final answer
   x = 7,289.61