Finding the Fourth Proportional to 5,129.75, 7,695.71 and 1,667.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,129.75 : 7,695.71 = 1,667.27 : x
2. Step 2: Convert to fraction form
   5,129.75/7,695.71 = 1,667.27/x
3. Step 3: Cross multiply
   5,129.75x = 7,695.71 × 1,667.27
4. Step 4: Simplify right side
   5,129.75x = 12,830,826.41
5. Step 5: Solve for x
   x = 12,830,826.41/5,129.75
6. Step 6: Final answer
   x = 2,501.26