Finding the Fourth Proportional to 6,308.32, 8,705.36 and 3,513.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,308.32 : 8,705.36 = 3,513.76 : x
2. Step 2: Convert to fraction form
   6,308.32/8,705.36 = 3,513.76/x
3. Step 3: Cross multiply
   6,308.32x = 8,705.36 × 3,513.76
4. Step 4: Simplify right side
   6,308.32x = 30,588,545.75
5. Step 5: Solve for x
   x = 30,588,545.75/6,308.32
6. Step 6: Final answer
   x = 4,848.92