Finding the Fourth Proportional to 10,844.57, 16,266.76 and 8,667.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,844.57 : 16,266.76 = 8,667.16 : x
2. Step 2: Convert to fraction form
   10,844.57/16,266.76 = 8,667.16/x
3. Step 3: Cross multiply
   10,844.57x = 16,266.76 × 8,667.16
4. Step 4: Simplify right side
   10,844.57x = 140,986,549.27
5. Step 5: Solve for x
   x = 140,986,549.27/10,844.57
6. Step 6: Final answer
   x = 13,000.66