Finding the Fourth Proportional to 3,185.98, 4,397.17 and 1,770.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,185.98 : 4,397.17 = 1,770.12 : x
2. Step 2: Convert to fraction form
   3,185.98/4,397.17 = 1,770.12/x
3. Step 3: Cross multiply
   3,185.98x = 4,397.17 × 1,770.12
4. Step 4: Simplify right side
   3,185.98x = 7,783,517.45
5. Step 5: Solve for x
   x = 7,783,517.45/3,185.98
6. Step 6: Final answer
   x = 2,443.05