Finding the Fourth Proportional to 8,667.48, 13,015.62 and 8,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.48 : 13,015.62 = 8,667.48 : x
2. Step 2: Convert to fraction form
   8,667.48/13,015.62 = 8,667.48/x
3. Step 3: Cross multiply
   8,667.48x = 13,015.62 × 8,667.48
4. Step 4: Simplify right side
   8,667.48x = 112,812,626.04
5. Step 5: Solve for x
   x = 112,812,626.04/8,667.48
6. Step 6: Final answer
   x = 13,015.62