Finding the Fourth Proportional to 5,443.58, 7,515.24 and 3,949.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.58 : 7,515.24 = 3,949.94 : x
2. Step 2: Convert to fraction form
   5,443.58/7,515.24 = 3,949.94/x
3. Step 3: Cross multiply
   5,443.58x = 7,515.24 × 3,949.94
4. Step 4: Simplify right side
   5,443.58x = 29,684,747.09
5. Step 5: Solve for x
   x = 29,684,747.09/5,443.58
6. Step 6: Final answer
   x = 5,453.17