Finding the Fourth Proportional to 8,855.02, 12,206.82 and 5,667.85

Step by Step Solution

1. Step 1: Write the proportion equation
   8,855.02 : 12,206.82 = 5,667.85 : x
2. Step 2: Convert to fraction form
   8,855.02/12,206.82 = 5,667.85/x
3. Step 3: Cross multiply
   8,855.02x = 12,206.82 × 5,667.85
4. Step 4: Simplify right side
   8,855.02x = 69,186,424.74
5. Step 5: Solve for x
   x = 69,186,424.74/8,855.02
6. Step 6: Final answer
   x = 7,813.24