Finding the Fourth Proportional to 9,804.82, 13,530.64 and 5,328.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,804.82 : 13,530.64 = 5,328.56 : x
2. Step 2: Convert to fraction form
   9,804.82/13,530.64 = 5,328.56/x
3. Step 3: Cross multiply
   9,804.82x = 13,530.64 × 5,328.56
4. Step 4: Simplify right side
   9,804.82x = 72,098,804.53
5. Step 5: Solve for x
   x = 72,098,804.53/9,804.82
6. Step 6: Final answer
   x = 7,353.41