Finding the Fourth Proportional to 5,308.79, 7,958.52 and 2,019.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.79 : 7,958.52 = 2,019.69 : x
2. Step 2: Convert to fraction form
   5,308.79/7,958.52 = 2,019.69/x
3. Step 3: Cross multiply
   5,308.79x = 7,958.52 × 2,019.69
4. Step 4: Simplify right side
   5,308.79x = 16,073,743.26
5. Step 5: Solve for x
   x = 16,073,743.26/5,308.79
6. Step 6: Final answer
   x = 3,027.76