Finding the Fourth Proportional to 3,711.57, 5,560.15 and 3,317.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,711.57 : 5,560.15 = 3,317.24 : x
2. Step 2: Convert to fraction form
   3,711.57/5,560.15 = 3,317.24/x
3. Step 3: Cross multiply
   3,711.57x = 5,560.15 × 3,317.24
4. Step 4: Simplify right side
   3,711.57x = 18,444,315.89
5. Step 5: Solve for x
   x = 18,444,315.89/3,711.57
6. Step 6: Final answer
   x = 4,969.41