Finding the Fourth Proportional to 6,276.78, 8,661.97 and 3,482.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,276.78 : 8,661.97 = 3,482.28 : x
2. Step 2: Convert to fraction form
   6,276.78/8,661.97 = 3,482.28/x
3. Step 3: Cross multiply
   6,276.78x = 8,661.97 × 3,482.28
4. Step 4: Simplify right side
   6,276.78x = 30,163,404.89
5. Step 5: Solve for x
   x = 30,163,404.89/6,276.78
6. Step 6: Final answer
   x = 4,805.55