Finding the Fourth Proportional to 4,057.94, 5,591.59 and 3,113.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,057.94 : 5,591.59 = 3,113.69 : x
2. Step 2: Convert to fraction form
   4,057.94/5,591.59 = 3,113.69/x
3. Step 3: Cross multiply
   4,057.94x = 5,591.59 × 3,113.69
4. Step 4: Simplify right side
   4,057.94x = 17,410,442.12
5. Step 5: Solve for x
   x = 17,410,442.12/4,057.94
6. Step 6: Final answer
   x = 4,290.47