Finding the Fourth Proportional to 9,804.42, 13,529.91 and 5,328.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,804.42 : 13,529.91 = 5,328.09 : x
2. Step 2: Convert to fraction form
   9,804.42/13,529.91 = 5,328.09/x
3. Step 3: Cross multiply
   9,804.42x = 13,529.91 × 5,328.09
4. Step 4: Simplify right side
   9,804.42x = 72,088,578.17
5. Step 5: Solve for x
   x = 72,088,578.17/9,804.42
6. Step 6: Final answer
   x = 7,352.66