Finding the Fourth Proportional to 6,279.39, 8,665.56 and 3,484.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,279.39 : 8,665.56 = 3,484.89 : x
2. Step 2: Convert to fraction form
   6,279.39/8,665.56 = 3,484.89/x
3. Step 3: Cross multiply
   6,279.39x = 8,665.56 × 3,484.89
4. Step 4: Simplify right side
   6,279.39x = 30,198,523.39
5. Step 5: Solve for x
   x = 30,198,523.39/6,279.39
6. Step 6: Final answer
   x = 4,809.15