Finding the Fourth Proportional to 6,504.30, 8,975.88 and 3,520.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,504.30 : 8,975.88 = 3,520.10 : x
2. Step 2: Convert to fraction form
   6,504.30/8,975.88 = 3,520.10/x
3. Step 3: Cross multiply
   6,504.30x = 8,975.88 × 3,520.10
4. Step 4: Simplify right side
   6,504.30x = 31,596,017.63
5. Step 5: Solve for x
   x = 31,596,017.63/6,504.30
6. Step 6: Final answer
   x = 4,857.71