Finding the Fourth Proportional to 9,804.72, 13,530.46 and 5,328.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,804.72 : 13,530.46 = 5,328.38 : x
2. Step 2: Convert to fraction form
   9,804.72/13,530.46 = 5,328.38/x
3. Step 3: Cross multiply
   9,804.72x = 13,530.46 × 5,328.38
4. Step 4: Simplify right side
   9,804.72x = 72,095,432.45
5. Step 5: Solve for x
   x = 72,095,432.45/9,804.72
6. Step 6: Final answer
   x = 7,353.14