Finding the Fourth Proportional to 8,075.22, 12,109.05 and 3,394.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,075.22 : 12,109.05 = 3,394.23 : x
2. Step 2: Convert to fraction form
   8,075.22/12,109.05 = 3,394.23/x
3. Step 3: Cross multiply
   8,075.22x = 12,109.05 × 3,394.23
4. Step 4: Simplify right side
   8,075.22x = 41,100,900.78
5. Step 5: Solve for x
   x = 41,100,900.78/8,075.22
6. Step 6: Final answer
   x = 5,089.76