Finding the Fourth Proportional to 6,499.37, 8,969.10 and 3,515.19

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.37 : 8,969.10 = 3,515.19 : x
2. Step 2: Convert to fraction form
   6,499.37/8,969.10 = 3,515.19/x
3. Step 3: Cross multiply
   6,499.37x = 8,969.10 × 3,515.19
4. Step 4: Simplify right side
   6,499.37x = 31,528,090.63
5. Step 5: Solve for x
   x = 31,528,090.63/6,499.37
6. Step 6: Final answer
   x = 4,850.95