Finding the Fourth Proportional to 5,806.55, 8,015.33 and 3,919.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,806.55 : 8,015.33 = 3,919.25 : x
2. Step 2: Convert to fraction form
   5,806.55/8,015.33 = 3,919.25/x
3. Step 3: Cross multiply
   5,806.55x = 8,015.33 × 3,919.25
4. Step 4: Simplify right side
   5,806.55x = 31,414,082.10
5. Step 5: Solve for x
   x = 31,414,082.10/5,806.55
6. Step 6: Final answer
   x = 5,410.11