Finding the Fourth Proportional to 9,627.88, 13,286.28 and 5,436.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,627.88 : 13,286.28 = 5,436.04 : x
2. Step 2: Convert to fraction form
   9,627.88/13,286.28 = 5,436.04/x
3. Step 3: Cross multiply
   9,627.88x = 13,286.28 × 5,436.04
4. Step 4: Simplify right side
   9,627.88x = 72,224,749.53
5. Step 5: Solve for x
   x = 72,224,749.53/9,627.88
6. Step 6: Final answer
   x = 7,501.63