Finding the Fourth Proportional to 6,651.77, 9,179.37 and 3,667.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,651.77 : 9,179.37 = 3,667.55 : x
2. Step 2: Convert to fraction form
   6,651.77/9,179.37 = 3,667.55/x
3. Step 3: Cross multiply
   6,651.77x = 9,179.37 × 3,667.55
4. Step 4: Simplify right side
   6,651.77x = 33,665,752.55
5. Step 5: Solve for x
   x = 33,665,752.55/6,651.77
6. Step 6: Final answer
   x = 5,061.18