Finding the Fourth Proportional to 5,550.82, 7,649.60 and 3,976.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,550.82 : 7,649.60 = 3,976.18 : x
2. Step 2: Convert to fraction form
   5,550.82/7,649.60 = 3,976.18/x
3. Step 3: Cross multiply
   5,550.82x = 7,649.60 × 3,976.18
4. Step 4: Simplify right side
   5,550.82x = 30,416,186.53
5. Step 5: Solve for x
   x = 30,416,186.53/5,550.82
6. Step 6: Final answer
   x = 5,479.58