Finding the Fourth Proportional to 6,348.30, 8,760.72 and 3,515.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,348.30 : 8,760.72 = 3,515.76 : x
2. Step 2: Convert to fraction form
   6,348.30/8,760.72 = 3,515.76/x
3. Step 3: Cross multiply
   6,348.30x = 8,760.72 × 3,515.76
4. Step 4: Simplify right side
   6,348.30x = 30,800,588.95
5. Step 5: Solve for x
   x = 30,800,588.95/6,348.30
6. Step 6: Final answer
   x = 4,851.79