Finding the Fourth Proportional to 3,825.12, 5,737.50 and 1,227.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,825.12 : 5,737.50 = 1,227.72 : x
2. Step 2: Convert to fraction form
   3,825.12/5,737.50 = 1,227.72/x
3. Step 3: Cross multiply
   3,825.12x = 5,737.50 × 1,227.72
4. Step 4: Simplify right side
   3,825.12x = 7,044,043.50
5. Step 5: Solve for x
   x = 7,044,043.50/3,825.12
6. Step 6: Final answer
   x = 1,841.52