Finding the Fourth Proportional to 5,171.27, 7,129.69 and 3,757.01

Step by Step Solution

1. Step 1: Write the proportion equation
   5,171.27 : 7,129.69 = 3,757.01 : x
2. Step 2: Convert to fraction form
   5,171.27/7,129.69 = 3,757.01/x
3. Step 3: Cross multiply
   5,171.27x = 7,129.69 × 3,757.01
4. Step 4: Simplify right side
   5,171.27x = 26,786,271.59
5. Step 5: Solve for x
   x = 26,786,271.59/5,171.27
6. Step 6: Final answer
   x = 5,179.83