Finding the Fourth Proportional to 8,040.33, 12,059.28 and 3,109.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,040.33 : 12,059.28 = 3,109.35 : x
2. Step 2: Convert to fraction form
   8,040.33/12,059.28 = 3,109.35/x
3. Step 3: Cross multiply
   8,040.33x = 12,059.28 × 3,109.35
4. Step 4: Simplify right side
   8,040.33x = 37,496,567.49
5. Step 5: Solve for x
   x = 37,496,567.49/8,040.33
6. Step 6: Final answer
   x = 4,663.56