Finding the Fourth Proportional to 3,123.77, 4,667.75 and 2,379.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.77 : 4,667.75 = 2,379.25 : x
2. Step 2: Convert to fraction form
   3,123.77/4,667.75 = 2,379.25/x
3. Step 3: Cross multiply
   3,123.77x = 4,667.75 × 2,379.25
4. Step 4: Simplify right side
   3,123.77x = 11,105,745.63
5. Step 5: Solve for x
   x = 11,105,745.63/3,123.77
6. Step 6: Final answer
   x = 3,555.23