Finding the Fourth Proportional to 9,507.28, 13,119.81 and 5,258.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.28 : 13,119.81 = 5,258.23 : x
2. Step 2: Convert to fraction form
   9,507.28/13,119.81 = 5,258.23/x
3. Step 3: Cross multiply
   9,507.28x = 13,119.81 × 5,258.23
4. Step 4: Simplify right side
   9,507.28x = 68,986,978.54
5. Step 5: Solve for x
   x = 68,986,978.54/9,507.28
6. Step 6: Final answer
   x = 7,256.23