Finding the Fourth Proportional to 5,550.81, 7,649.59 and 3,976.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,550.81 : 7,649.59 = 3,976.17 : x
2. Step 2: Convert to fraction form
   5,550.81/7,649.59 = 3,976.17/x
3. Step 3: Cross multiply
   5,550.81x = 7,649.59 × 3,976.17
4. Step 4: Simplify right side
   5,550.81x = 30,416,070.27
5. Step 5: Solve for x
   x = 30,416,070.27/5,550.81
6. Step 6: Final answer
   x = 5,479.57