Finding the Fourth Proportional to 6,333.12, 8,739.72 and 3,500.64

Step by Step Solution

1. Step 1: Write the proportion equation
   6,333.12 : 8,739.72 = 3,500.64 : x
2. Step 2: Convert to fraction form
   6,333.12/8,739.72 = 3,500.64/x
3. Step 3: Cross multiply
   6,333.12x = 8,739.72 × 3,500.64
4. Step 4: Simplify right side
   6,333.12x = 30,594,613.42
5. Step 5: Solve for x
   x = 30,594,613.42/6,333.12
6. Step 6: Final answer
   x = 4,830.89