Finding the Fourth Proportional to 9,528.09, 13,149.26 and 5,751.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,528.09 : 13,149.26 = 5,751.21 : x
2. Step 2: Convert to fraction form
   9,528.09/13,149.26 = 5,751.21/x
3. Step 3: Cross multiply
   9,528.09x = 13,149.26 × 5,751.21
4. Step 4: Simplify right side
   9,528.09x = 75,624,061.10
5. Step 5: Solve for x
   x = 75,624,061.10/9,528.09
6. Step 6: Final answer
   x = 7,936.96