Finding the Fourth Proportional to 6,456.75, 8,910.86 and 3,662.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,456.75 : 8,910.86 = 3,662.79 : x
2. Step 2: Convert to fraction form
   6,456.75/8,910.86 = 3,662.79/x
3. Step 3: Cross multiply
   6,456.75x = 8,910.86 × 3,662.79
4. Step 4: Simplify right side
   6,456.75x = 32,638,590.59
5. Step 5: Solve for x
   x = 32,638,590.59/6,456.75
6. Step 6: Final answer
   x = 5,054.96