Finding the Fourth Proportional to 8,960.82, 13,443.50 and 5,266.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,960.82 : 13,443.50 = 5,266.16 : x
2. Step 2: Convert to fraction form
   8,960.82/13,443.50 = 5,266.16/x
3. Step 3: Cross multiply
   8,960.82x = 13,443.50 × 5,266.16
4. Step 4: Simplify right side
   8,960.82x = 70,795,567.91
5. Step 5: Solve for x
   x = 70,795,567.91/8,960.82
6. Step 6: Final answer
   x = 7,900.57