Finding the Fourth Proportional to 6,307.65, 8,704.56 and 3,513.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,307.65 : 8,704.56 = 3,513.15 : x
2. Step 2: Convert to fraction form
   6,307.65/8,704.56 = 3,513.15/x
3. Step 3: Cross multiply
   6,307.65x = 8,704.56 × 3,513.15
4. Step 4: Simplify right side
   6,307.65x = 30,580,424.96
5. Step 5: Solve for x
   x = 30,580,424.96/6,307.65
6. Step 6: Final answer
   x = 4,848.15