Finding the Fourth Proportional to 5,369.94, 7,405.56 and 3,578.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,369.94 : 7,405.56 = 3,578.42 : x
2. Step 2: Convert to fraction form
   5,369.94/7,405.56 = 3,578.42/x
3. Step 3: Cross multiply
   5,369.94x = 7,405.56 × 3,578.42
4. Step 4: Simplify right side
   5,369.94x = 26,500,222.53
5. Step 5: Solve for x
   x = 26,500,222.53/5,369.94
6. Step 6: Final answer
   x = 4,934.92