Finding the Fourth Proportional to 5,557.82, 8,327.48 and 3,910.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,557.82 : 8,327.48 = 3,910.91 : x
2. Step 2: Convert to fraction form
   5,557.82/8,327.48 = 3,910.91/x
3. Step 3: Cross multiply
   5,557.82x = 8,327.48 × 3,910.91
4. Step 4: Simplify right side
   5,557.82x = 32,568,009.51
5. Step 5: Solve for x
   x = 32,568,009.51/5,557.82
6. Step 6: Final answer
   x = 5,859.85