Finding the Fourth Proportional to 9,804.83, 13,530.69 and 5,328.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,804.83 : 13,530.69 = 5,328.55 : x
2. Step 2: Convert to fraction form
   9,804.83/13,530.69 = 5,328.55/x
3. Step 3: Cross multiply
   9,804.83x = 13,530.69 × 5,328.55
4. Step 4: Simplify right side
   9,804.83x = 72,098,863.90
5. Step 5: Solve for x
   x = 72,098,863.90/9,804.83
6. Step 6: Final answer
   x = 7,353.40