Finding the Fourth Proportional to 9,627.75, 13,286.52 and 5,436

Step by Step Solution

1. Step 1: Write the proportion equation
   9,627.75 : 13,286.52 = 5,436 : x
2. Step 2: Convert to fraction form
   9,627.75/13,286.52 = 5,436/x
3. Step 3: Cross multiply
   9,627.75x = 13,286.52 × 5,436
4. Step 4: Simplify right side
   9,627.75x = 72,225,522.72
5. Step 5: Solve for x
   x = 72,225,522.72/9,627.75
6. Step 6: Final answer
   x = 7,501.81