Finding the Fourth Proportional to 10,667.26, 16,012.16 and 5,991.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.26 : 16,012.16 = 5,991.27 : x
2. Step 2: Convert to fraction form
   10,667.26/16,012.16 = 5,991.27/x
3. Step 3: Cross multiply
   10,667.26x = 16,012.16 × 5,991.27
4. Step 4: Simplify right side
   10,667.26x = 95,933,173.84
5. Step 5: Solve for x
   x = 95,933,173.84/10,667.26
6. Step 6: Final answer
   x = 8,993.23