Finding the Fourth Proportional to 8,768.69, 13,159.33 and 3,500.65

Step by Step Solution

1. Step 1: Write the proportion equation
   8,768.69 : 13,159.33 = 3,500.65 : x
2. Step 2: Convert to fraction form
   8,768.69/13,159.33 = 3,500.65/x
3. Step 3: Cross multiply
   8,768.69x = 13,159.33 × 3,500.65
4. Step 4: Simplify right side
   8,768.69x = 46,066,216.26
5. Step 5: Solve for x
   x = 46,066,216.26/8,768.69
6. Step 6: Final answer
   x = 5,253.49