Finding the Fourth Proportional to 6,499.32, 8,969.03 and 3,515.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.32 : 8,969.03 = 3,515.15 : x
2. Step 2: Convert to fraction form
   6,499.32/8,969.03 = 3,515.15/x
3. Step 3: Cross multiply
   6,499.32x = 8,969.03 × 3,515.15
4. Step 4: Simplify right side
   6,499.32x = 31,527,485.80
5. Step 5: Solve for x
   x = 31,527,485.80/6,499.32
6. Step 6: Final answer
   x = 4,850.89