Finding the Fourth Proportional to 3,453.50, 5,180.37 and 1,144.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,453.50 : 5,180.37 = 1,144.94 : x
2. Step 2: Convert to fraction form
   3,453.50/5,180.37 = 1,144.94/x
3. Step 3: Cross multiply
   3,453.50x = 5,180.37 × 1,144.94
4. Step 4: Simplify right side
   3,453.50x = 5,931,212.83
5. Step 5: Solve for x
   x = 5,931,212.83/3,453.50
6. Step 6: Final answer
   x = 1,717.45