Finding the Fourth Proportional to 4,436.37, 6,120.23 and 3,109.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,436.37 : 6,120.23 = 3,109.59 : x
2. Step 2: Convert to fraction form
   4,436.37/6,120.23 = 3,109.59/x
3. Step 3: Cross multiply
   4,436.37x = 6,120.23 × 3,109.59
4. Step 4: Simplify right side
   4,436.37x = 19,031,390.46
5. Step 5: Solve for x
   x = 19,031,390.46/4,436.37
6. Step 6: Final answer
   x = 4,289.86