Finding the Fourth Proportional to 9,627.72, 13,287.48 and 5,436.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,627.72 : 13,287.48 = 5,436.84 : x
2. Step 2: Convert to fraction form
   9,627.72/13,287.48 = 5,436.84/x
3. Step 3: Cross multiply
   9,627.72x = 13,287.48 × 5,436.84
4. Step 4: Simplify right side
   9,627.72x = 72,241,902.76
5. Step 5: Solve for x
   x = 72,241,902.76/9,627.72
6. Step 6: Final answer
   x = 7,503.53