Finding the Fourth Proportional to 7,185.97, 10,756.67 and 3,890.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,185.97 : 10,756.67 = 3,890.89 : x
2. Step 2: Convert to fraction form
   7,185.97/10,756.67 = 3,890.89/x
3. Step 3: Cross multiply
   7,185.97x = 10,756.67 × 3,890.89
4. Step 4: Simplify right side
   7,185.97x = 41,853,002.57
5. Step 5: Solve for x
   x = 41,853,002.57/7,185.97
6. Step 6: Final answer
   x = 5,824.27