Finding the Fourth Proportional to 5,147.35, 7,103.35 and 2,789.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.35 : 7,103.35 = 2,789.49 : x
2. Step 2: Convert to fraction form
   5,147.35/7,103.35 = 2,789.49/x
3. Step 3: Cross multiply
   5,147.35x = 7,103.35 × 2,789.49
4. Step 4: Simplify right side
   5,147.35x = 19,814,698.27
5. Step 5: Solve for x
   x = 19,814,698.27/5,147.35
6. Step 6: Final answer
   x = 3,849.50