Finding the Fourth Proportional to 6,348.50, 8,760.73 and 3,515.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,348.50 : 8,760.73 = 3,515.78 : x
2. Step 2: Convert to fraction form
   6,348.50/8,760.73 = 3,515.78/x
3. Step 3: Cross multiply
   6,348.50x = 8,760.73 × 3,515.78
4. Step 4: Simplify right side
   6,348.50x = 30,800,799.32
5. Step 5: Solve for x
   x = 30,800,799.32/6,348.50
6. Step 6: Final answer
   x = 4,851.67