Finding the Fourth Proportional to 6,308.29, 8,705.43 and 3,513.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,308.29 : 8,705.43 = 3,513.79 : x
2. Step 2: Convert to fraction form
   6,308.29/8,705.43 = 3,513.79/x
3. Step 3: Cross multiply
   6,308.29x = 8,705.43 × 3,513.79
4. Step 4: Simplify right side
   6,308.29x = 30,589,009.35
5. Step 5: Solve for x
   x = 30,589,009.35/6,308.29
6. Step 6: Final answer
   x = 4,849.02