Finding the Fourth Proportional to 4,443.20, 6,131.60 and 2,453.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,443.20 : 6,131.60 = 2,453.69 : x
2. Step 2: Convert to fraction form
   4,443.20/6,131.60 = 2,453.69/x
3. Step 3: Cross multiply
   4,443.20x = 6,131.60 × 2,453.69
4. Step 4: Simplify right side
   4,443.20x = 15,045,057.87
5. Step 5: Solve for x
   x = 15,045,057.87/4,443.20
6. Step 6: Final answer
   x = 3,386.08