Finding the Fourth Proportional to 6,499.65, 8,969.52 and 3,515.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.65 : 8,969.52 = 3,515.48 : x
2. Step 2: Convert to fraction form
   6,499.65/8,969.52 = 3,515.48/x
3. Step 3: Cross multiply
   6,499.65x = 8,969.52 × 3,515.48
4. Step 4: Simplify right side
   6,499.65x = 31,532,200.82
5. Step 5: Solve for x
   x = 31,532,200.82/6,499.65
6. Step 6: Final answer
   x = 4,851.37