Finding the Fourth Proportional to 5,550.82, 7,656.78 and 3,661.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,550.82 : 7,656.78 = 3,661.72 : x
2. Step 2: Convert to fraction form
   5,550.82/7,656.78 = 3,661.72/x
3. Step 3: Cross multiply
   5,550.82x = 7,656.78 × 3,661.72
4. Step 4: Simplify right side
   5,550.82x = 28,036,984.46
5. Step 5: Solve for x
   x = 28,036,984.46/5,550.82
6. Step 6: Final answer
   x = 5,050.96