Finding the Fourth Proportional to 5,162.56, 7,124.82 and 3,174.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.56 : 7,124.82 = 3,174.42 : x
2. Step 2: Convert to fraction form
   5,162.56/7,124.82 = 3,174.42/x
3. Step 3: Cross multiply
   5,162.56x = 7,124.82 × 3,174.42
4. Step 4: Simplify right side
   5,162.56x = 22,617,171.10
5. Step 5: Solve for x
   x = 22,617,171.10/5,162.56
6. Step 6: Final answer
   x = 4,381.00