Finding the Fourth Proportional to 9,141.57, 13,709.49 and 3,297.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.57 : 13,709.49 = 3,297.42 : x
2. Step 2: Convert to fraction form
   9,141.57/13,709.49 = 3,297.42/x
3. Step 3: Cross multiply
   9,141.57x = 13,709.49 × 3,297.42
4. Step 4: Simplify right side
   9,141.57x = 45,205,946.52
5. Step 5: Solve for x
   x = 45,205,946.52/9,141.57
6. Step 6: Final answer
   x = 4,945.10