Finding the Fourth Proportional to 5,171.94, 7,758.27 and 1,711.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,171.94 : 7,758.27 = 1,711.62 : x
2. Step 2: Convert to fraction form
   5,171.94/7,758.27 = 1,711.62/x
3. Step 3: Cross multiply
   5,171.94x = 7,758.27 × 1,711.62
4. Step 4: Simplify right side
   5,171.94x = 13,279,210.10
5. Step 5: Solve for x
   x = 13,279,210.10/5,171.94
6. Step 6: Final answer
   x = 2,567.55