Finding the Fourth Proportional to 3,227.55, 4,839.85 and 1,147.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,227.55 : 4,839.85 = 1,147.52 : x
2. Step 2: Convert to fraction form
   3,227.55/4,839.85 = 1,147.52/x
3. Step 3: Cross multiply
   3,227.55x = 4,839.85 × 1,147.52
4. Step 4: Simplify right side
   3,227.55x = 5,553,810.98
5. Step 5: Solve for x
   x = 5,553,810.98/3,227.55
6. Step 6: Final answer
   x = 1,720.75