Finding the Fourth Proportional to 8,806.22, 12,158.96 and 5,667.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,806.22 : 12,158.96 = 5,667.87 : x
2. Step 2: Convert to fraction form
   8,806.22/12,158.96 = 5,667.87/x
3. Step 3: Cross multiply
   8,806.22x = 12,158.96 × 5,667.87
4. Step 4: Simplify right side
   8,806.22x = 68,915,453.75
5. Step 5: Solve for x
   x = 68,915,453.75/8,806.22
6. Step 6: Final answer
   x = 7,825.77