Finding the Fourth Proportional to 8,667.27, 12,938.22 and 7,616.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.27 : 12,938.22 = 7,616.34 : x
2. Step 2: Convert to fraction form
   8,667.27/12,938.22 = 7,616.34/x
3. Step 3: Cross multiply
   8,667.27x = 12,938.22 × 7,616.34
4. Step 4: Simplify right side
   8,667.27x = 98,541,882.51
5. Step 5: Solve for x
   x = 98,541,882.51/8,667.27
6. Step 6: Final answer
   x = 11,369.43