Finding the Fourth Proportional to 8,109.50, 12,167.24 and 2,844.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,109.50 : 12,167.24 = 2,844.90 : x
2. Step 2: Convert to fraction form
   8,109.50/12,167.24 = 2,844.90/x
3. Step 3: Cross multiply
   8,109.50x = 12,167.24 × 2,844.90
4. Step 4: Simplify right side
   8,109.50x = 34,614,566.85
5. Step 5: Solve for x
   x = 34,614,566.85/8,109.50
6. Step 6: Final answer
   x = 4,268.40