Finding the Fourth Proportional to 5,443.98, 7,509.83 and 4,115.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.98 : 7,509.83 = 4,115.38 : x
2. Step 2: Convert to fraction form
   5,443.98/7,509.83 = 4,115.38/x
3. Step 3: Cross multiply
   5,443.98x = 7,509.83 × 4,115.38
4. Step 4: Simplify right side
   5,443.98x = 30,905,766.64
5. Step 5: Solve for x
   x = 30,905,766.64/5,443.98
6. Step 6: Final answer
   x = 5,677.06