Finding the Fourth Proportional to 8,855.30, 13,276.78 and 3,922.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,855.30 : 13,276.78 = 3,922.27 : x
2. Step 2: Convert to fraction form
   8,855.30/13,276.78 = 3,922.27/x
3. Step 3: Cross multiply
   8,855.30x = 13,276.78 × 3,922.27
4. Step 4: Simplify right side
   8,855.30x = 52,075,115.89
5. Step 5: Solve for x
   x = 52,075,115.89/8,855.30
6. Step 6: Final answer
   x = 5,880.67