Finding the Fourth Proportional to 6,499.67, 8,969.51 and 3,515.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.67 : 8,969.51 = 3,515.50 : x
2. Step 2: Convert to fraction form
   6,499.67/8,969.51 = 3,515.50/x
3. Step 3: Cross multiply
   6,499.67x = 8,969.51 × 3,515.50
4. Step 4: Simplify right side
   6,499.67x = 31,532,294.83
5. Step 5: Solve for x
   x = 31,532,294.83/6,499.67
6. Step 6: Final answer
   x = 4,851.37