Finding the Fourth Proportional to 5,171.63, 7,758.17 and 1,886.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,171.63 : 7,758.17 = 1,886.27 : x
2. Step 2: Convert to fraction form
   5,171.63/7,758.17 = 1,886.27/x
3. Step 3: Cross multiply
   5,171.63x = 7,758.17 × 1,886.27
4. Step 4: Simplify right side
   5,171.63x = 14,633,993.89
5. Step 5: Solve for x
   x = 14,633,993.89/5,171.63
6. Step 6: Final answer
   x = 2,829.67