Finding the Fourth Proportional to 3,309.52, 4,960.56 and 1,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,309.52 : 4,960.56 = 1,574.50 : x
2. Step 2: Convert to fraction form
   3,309.52/4,960.56 = 1,574.50/x
3. Step 3: Cross multiply
   3,309.52x = 4,960.56 × 1,574.50
4. Step 4: Simplify right side
   3,309.52x = 7,810,401.72
5. Step 5: Solve for x
   x = 7,810,401.72/3,309.52
6. Step 6: Final answer
   x = 2,359.98