Finding the Fourth Proportional to 3,767.53, 5,644.51 and 3,545.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,767.53 : 5,644.51 = 3,545.22 : x
2. Step 2: Convert to fraction form
   3,767.53/5,644.51 = 3,545.22/x
3. Step 3: Cross multiply
   3,767.53x = 5,644.51 × 3,545.22
4. Step 4: Simplify right side
   3,767.53x = 20,011,020.27
5. Step 5: Solve for x
   x = 20,011,020.27/3,767.53
6. Step 6: Final answer
   x = 5,311.45