Finding the Fourth Proportional to 5,147.40, 7,103.34 and 3,022.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.40 : 7,103.34 = 3,022.55 : x
2. Step 2: Convert to fraction form
   5,147.40/7,103.34 = 3,022.55/x
3. Step 3: Cross multiply
   5,147.40x = 7,103.34 × 3,022.55
4. Step 4: Simplify right side
   5,147.40x = 21,470,200.32
5. Step 5: Solve for x
   x = 21,470,200.32/5,147.40
6. Step 6: Final answer
   x = 4,171.08