Finding the Fourth Proportional to 9,258, 12,760.50 and 7,019.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,258 : 12,760.50 = 7,019.16 : x
2. Step 2: Convert to fraction form
   9,258/12,760.50 = 7,019.16/x
3. Step 3: Cross multiply
   9,258x = 12,760.50 × 7,019.16
4. Step 4: Simplify right side
   9,258x = 89,567,991.18
5. Step 5: Solve for x
   x = 89,567,991.18/9,258
6. Step 6: Final answer
   x = 9,674.66