Finding the Fourth Proportional to 9,684.88, 13,363.72 and 5,436.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,684.88 : 13,363.72 = 5,436.16 : x
2. Step 2: Convert to fraction form
   9,684.88/13,363.72 = 5,436.16/x
3. Step 3: Cross multiply
   9,684.88x = 13,363.72 × 5,436.16
4. Step 4: Simplify right side
   9,684.88x = 72,647,320.12
5. Step 5: Solve for x
   x = 72,647,320.12/9,684.88
6. Step 6: Final answer
   x = 7,501.11