Finding the Fourth Proportional to 3,667.98, 5,058 and 2,828.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.98 : 5,058 = 2,828.82 : x
2. Step 2: Convert to fraction form
   3,667.98/5,058 = 2,828.82/x
3. Step 3: Cross multiply
   3,667.98x = 5,058 × 2,828.82
4. Step 4: Simplify right side
   3,667.98x = 14,308,171.56
5. Step 5: Solve for x
   x = 14,308,171.56/3,667.98
6. Step 6: Final answer
   x = 3,900.83