Finding the Fourth Proportional to 6,351.34, 8,764.84 and 3,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,351.34 : 8,764.84 = 3,518.72 : x
2. Step 2: Convert to fraction form
   6,351.34/8,764.84 = 3,518.72/x
3. Step 3: Cross multiply
   6,351.34x = 8,764.84 × 3,518.72
4. Step 4: Simplify right side
   6,351.34x = 30,841,017.80
5. Step 5: Solve for x
   x = 30,841,017.80/6,351.34
6. Step 6: Final answer
   x = 4,855.83