Finding the Fourth Proportional to 3,665.12, 5,498.48 and 1,716.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.12 : 5,498.48 = 1,716.24 : x
2. Step 2: Convert to fraction form
   3,665.12/5,498.48 = 1,716.24/x
3. Step 3: Cross multiply
   3,665.12x = 5,498.48 × 1,716.24
4. Step 4: Simplify right side
   3,665.12x = 9,436,711.32
5. Step 5: Solve for x
   x = 9,436,711.32/3,665.12
6. Step 6: Final answer
   x = 2,574.73