Finding the Fourth Proportional to 6,308.34, 8,705.67 and 3,513.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,308.34 : 8,705.67 = 3,513.90 : x
2. Step 2: Convert to fraction form
   6,308.34/8,705.67 = 3,513.90/x
3. Step 3: Cross multiply
   6,308.34x = 8,705.67 × 3,513.90
4. Step 4: Simplify right side
   6,308.34x = 30,590,853.81
5. Step 5: Solve for x
   x = 30,590,853.81/6,308.34
6. Step 6: Final answer
   x = 4,849.27