Finding the Fourth Proportional to 1,716.45, 2,369.15 and 1,185.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,716.45 : 2,369.15 = 1,185.42 : x
2. Step 2: Convert to fraction form
   1,716.45/2,369.15 = 1,185.42/x
3. Step 3: Cross multiply
   1,716.45x = 2,369.15 × 1,185.42
4. Step 4: Simplify right side
   1,716.45x = 2,808,434.83
5. Step 5: Solve for x
   x = 2,808,434.83/1,716.45
6. Step 6: Final answer
   x = 1,636.19