Finding the Fourth Proportional to 5,491.46, 7,578.42 and 3,133.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,491.46 : 7,578.42 = 3,133.82 : x
2. Step 2: Convert to fraction form
   5,491.46/7,578.42 = 3,133.82/x
3. Step 3: Cross multiply
   5,491.46x = 7,578.42 × 3,133.82
4. Step 4: Simplify right side
   5,491.46x = 23,749,404.16
5. Step 5: Solve for x
   x = 23,749,404.16/5,491.46
6. Step 6: Final answer
   x = 4,324.79