Finding the Fourth Proportional to 9,231.56, 12,735.22 and 5,452.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231.56 : 12,735.22 = 5,452.16 : x
2. Step 2: Convert to fraction form
   9,231.56/12,735.22 = 5,452.16/x
3. Step 3: Cross multiply
   9,231.56x = 12,735.22 × 5,452.16
4. Step 4: Simplify right side
   9,231.56x = 69,434,457.08
5. Step 5: Solve for x
   x = 69,434,457.08/9,231.56
6. Step 6: Final answer
   x = 7,521.42