Finding the Fourth Proportional to 3,930.57, 5,896.71 and 1,850.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,930.57 : 5,896.71 = 1,850.58 : x
2. Step 2: Convert to fraction form
   3,930.57/5,896.71 = 1,850.58/x
3. Step 3: Cross multiply
   3,930.57x = 5,896.71 × 1,850.58
4. Step 4: Simplify right side
   3,930.57x = 10,912,333.59
5. Step 5: Solve for x
   x = 10,912,333.59/3,930.57
6. Step 6: Final answer
   x = 2,776.27