Finding the Fourth Proportional to 6,308, 8,705.34 and 3,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,308 : 8,705.34 = 3,513.50 : x
2. Step 2: Convert to fraction form
   6,308/8,705.34 = 3,513.50/x
3. Step 3: Cross multiply
   6,308x = 8,705.34 × 3,513.50
4. Step 4: Simplify right side
   6,308x = 30,586,212.09
5. Step 5: Solve for x
   x = 30,586,212.09/6,308
6. Step 6: Final answer
   x = 4,848.80