Finding the Fourth Proportional to 6,513.99, 8,988.76 and 3,681.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,513.99 : 8,988.76 = 3,681.62 : x
2. Step 2: Convert to fraction form
   6,513.99/8,988.76 = 3,681.62/x
3. Step 3: Cross multiply
   6,513.99x = 8,988.76 × 3,681.62
4. Step 4: Simplify right side
   6,513.99x = 33,093,198.59
5. Step 5: Solve for x
   x = 33,093,198.59/6,513.99
6. Step 6: Final answer
   x = 5,080.33